3.5K Heavy Duty Single Axle Complete TK Trailer Kit — 3,500 lb | 61/46

Single axle running gear in one package: one 3.5K TK electric brake axle, one spring & hanger suspension kit, plus two tire & wheel assemblies, with the coupler, jack, fenders, lighting, wiring, and safety hardware to finish the trailer.

Specifications:

Capacity: 3,500 lb
Axle: 3.5K TK, electric brake
Hubface/Spring Center: 61/46
Bolt pattern: 5x4.5
Tires & wheels: (2) 15" 6 ply bias, ST 205/75D15, silver mod
Coupler: RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style

What’s Included:

(1) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 61/46 - 5x4.5
(1) 4 Leaf Double Eye Springs and Hangers - 3500 lb Single Axle Trailer Suspension Kit
(2) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Single Axle 9x32 Smooth Steel Rolled Fender
(2) Single Trailer Axle Fender Back for 9x32 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) Trailer Jack Footplate
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(26 ft) 6 Way Cable 14 Gauge
(1) 25ft 4 pole Wire Harness
(1) 12 Volt Trailer Breakaway Kit
(1) 7 Way Plug
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)
(1) Trailer License Plate Bracket - Black

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Key Benefits:

Pre-packaged kit to ensure proper fitment of running gear

Ideal For:

Utility, cargo, and enclosed trailers
Equipment trailers

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Dedicated expert support

Have questions? Call or message us at (936) 289-3191.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | 61"/46"

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: 61"/46"
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring Mount: Underslung (lower ride height)
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – 61"/46" – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 61" Hubface / 46" Spring Center - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 61/46 - 5x4.5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 61" Hubface / 46" Spring Center - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 61/46 - 5x5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Radial Trailer Tire & Wheel - ST 205/75R15 (Silver Mod) - 5x5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Single Axle Complete TK Trailer Kit — 3,500 lb | 73/58

Single axle running gear in one package: one 3.5K TK electric brake axle, one spring & hanger suspension kit, plus two tire & wheel assemblies, with the coupler, jack, fenders, lighting, wiring, and safety hardware to finish the trailer.

Specifications:

Capacity: 3,500 lb
Axle: 3.5K TK, electric brake
Hubface/Spring Center: 73/58
Bolt pattern: 5x4.5
Tires & wheels: (2) 15" 6 ply bias, ST 205/75D15, silver mod
Coupler: RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style

What’s Included:

(1) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 73/58 - 5x4.5
(1) 4 Leaf Double Eye Springs and Hangers - 3500 lb Single Axle Trailer Suspension Kit
(2) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Single Trailer Axle Fender Back for 9x32 Fender
(2) Single Axle 9x32 Smooth Steel Rolled Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(1) 25ft 4 pole Wire Harness
(1) 7 Way Plug
(1) 12 Volt Trailer Breakaway Kit
(26 ft) 6 Way Cable 14 Gauge
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)
(1) Trailer License Plate Bracket - Black

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Key Benefits:

Pre-packaged kit to ensure proper fitment of running gear

Ideal For:

Utility, cargo, and enclosed trailers
Equipment trailers

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Dedicated expert support

Have questions? Call or message us at (936) 289-3191.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | 73"/58"

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: 73"/58"
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring Mount: Underslung (lower ride height)
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – 73"/58" – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 73" Hubface / 58" Spring Center - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 73/58 - 5x4.5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 73" Hubface / 58" Spring Center - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 73/58 - 5x5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Radial Trailer Tire & Wheel - ST 205/75R15 (Silver Mod) - 5x5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Single Axle Complete TK Trailer Kit — 3,500 lb | 85/70

Single axle running gear in one package: one 3.5K TK electric brake axle, one spring & hanger suspension kit, plus two tire & wheel assemblies, with the coupler, jack, fenders, lighting, wiring, and safety hardware to finish the trailer.

Specifications:

Capacity: 3,500 lb
Axle: 3.5K TK, electric brake
Hubface/Spring Center: 85/70
Bolt pattern: 5x4.5
Tires & wheels: (2) 15" 6 ply bias, ST 205/75D15, silver mod
Coupler: RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style

What’s Included:

(1) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 85/70 - 5x4.5
(1) 4 Leaf Double Eye Springs and Hangers - 3500 lb Single Axle Trailer Suspension Kit
(2) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Single Axle 9x32 Smooth Steel Rolled Fender
(2) Single Trailer Axle Fender Back for 9x32 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) Trailer Jack Footplate
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(1) 7 Way Plug
(1) 12 Volt Trailer Breakaway Kit
(26 ft) 6 Way Cable 14 Gauge
(1) 25ft 4 pole Wire Harness
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)
(1) Trailer License Plate Bracket - Black

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Key Benefits:

Pre-packaged kit to ensure proper fitment of running gear

Ideal For:

Utility, cargo, and enclosed trailers
Equipment trailers

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Dedicated expert support

Have questions? Call or message us at (936) 289-3191.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | 85"/70"

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: 85"/70"
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring Mount: Underslung (lower ride height)
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – 85"/70" – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 85" Hubface / 70" Spring Center - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 85/70 - 5x4.5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 85" Hubface / 70" Spring Center - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 85/70 - 5x5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Radial Trailer Tire & Wheel - ST 205/75R15 (Silver Mod) - 5x5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Single Axle Complete TK Trailer Kit — 3,500 lb | 89/74

Single axle running gear in one package: one 3.5K TK electric brake axle, one spring & hanger suspension kit, plus two tire & wheel assemblies, with the coupler, jack, fenders, lighting, wiring, and safety hardware to finish the trailer.

Specifications:

Capacity: 3,500 lb
Axle: 3.5K TK, electric brake
Hubface/Spring Center: 89/74
Bolt pattern: 5x4.5
Tires & wheels: (2) 15" 6 ply bias, ST 205/75D15, silver mod
Coupler: RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style

What’s Included:

(1) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 89/74 - 5x4.5
(1) 4 Leaf Double Eye Springs and Hangers - 3500 lb Single Axle Trailer Suspension Kit
(2) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Single Axle 9x32 Smooth Steel Rolled Fender
(2) Single Trailer Axle Fender Back for 9x32 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) Trailer Jack Footplate
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(1) 12 Volt Trailer Breakaway Kit
(26 ft) 6 Way Cable 14 Gauge
(1) 7 Way Plug
(1) 25ft 4 pole Wire Harness
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)
(1) Trailer License Plate Bracket - Black

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Key Benefits:

Pre-packaged kit to ensure proper fitment of running gear

Ideal For:

Utility, cargo, and enclosed trailers
Equipment trailers

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Dedicated expert support

Have questions? Call or message us at (936) 289-3191.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | 89"/74"

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: 89"/74"
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring Mount: Underslung (lower ride height)
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – 89"/74" – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 89" Hubface / 74" Spring Center - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 89/74 - 5x4.5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 89" Hubface / 74" Spring Center - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 89/74 - 5x5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Radial Trailer Tire & Wheel - ST 205/75R15 (Silver Mod) - 5x5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Single Axle Complete TK Trailer Kit — 3,500 lb | 95/80

Single axle running gear in one package: one 3.5K TK electric brake axle, one spring & hanger suspension kit, plus two tire & wheel assemblies, with the coupler, jack, fenders, lighting, wiring, and safety hardware to finish the trailer.

Specifications:

Capacity: 3,500 lb
Axle: 3.5K TK, electric brake
Hubface/Spring Center: 95/80
Bolt pattern: 5x4.5
Tires & wheels: (2) 15" 6 ply bias, ST 205/75D15, silver mod
Coupler: RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style

What’s Included:

(1) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 95/80 - 5x4.5
(1) 4 Leaf Double Eye Springs and Hangers - 3500 lb Single Axle Trailer Suspension Kit
(2) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Single Axle 9x32 Smooth Steel Rolled Fender
(2) Single Trailer Axle Fender Back for 9x32 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) Trailer Jack Footplate
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(26 ft) 6 Way Cable 14 Gauge
(1) 25ft 4 pole Wire Harness
(1) 12 Volt Trailer Breakaway Kit
(1) 7 Way Plug
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)
(1) Trailer License Plate Bracket - Black

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Key Benefits:

Pre-packaged kit to ensure proper fitment of running gear

Ideal For:

Utility, cargo, and enclosed trailers
Equipment trailers

Why Buy from The Trailer Parts Outlet?

Quality trailer parts at affordable prices
Fast shipping — order today, ships tomorrow
Bulk & wholesale pricing available
Dedicated expert support

Have questions? Call or message us at (936) 289-3191.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | 95"/80"

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: 95"/80"
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring Mount: Underslung (lower ride height)
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – 95"/80" – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 95" Hubface / 80" Spring Center - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 95/80 - 5x4.5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - 95" Hubface / 80" Spring Center - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - 95/80 - 5x5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Radial Trailer Tire & Wheel - ST 205/75R15 (Silver Mod) - 5x5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung (spring seats welded on the bottom, lower ride height)
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x4.5 Bolt Pattern | Custom Spring Center

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: Custom spring center, enter your measurements
Bolt Pattern: 5x4.5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring mount: Underslung or Overslung, choose your configuration
Cambered axle tube: Yes or No, choose your configuration
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

Custom Order Notes: Custom axles carry a +3 Day Build Time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – Custom Spring Center – 5x4.5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 D15 6 Ply Bias TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | Custom Spring Center

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: Custom spring center, enter your measurements
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring mount: Underslung or Overslung, choose your configuration
Cambered axle tube: Yes or No, choose your configuration
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

Custom Order Notes: Custom axles carry a +3 Day Build Time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – Custom Spring Center – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - Custom Spring Center - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake 5x4.5 lug(Custom Spring Seat Placement) - No Spring Seats Installed
(4) 3.5k Axle Spring Seat
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

Custom Order Notes: Custom axles carry a +3 day build time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung or Overslung, selected at checkout
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - Custom Spring Center - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) Fully Assembled 3.5k TK Electric Drum Brake Axles - Custom Spring Center - 5x5
(4) 1.75k 25.25" 4 Leaf Double Eye Springs
(2) 3.5k U-Bolt Kits
(1) Double Eye Tandem Hanger Kit
(4) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) - Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler - 2" Bulldog Style
(1) A-Frame 5k Trailer Jack - Top Wind
(1) Trailer Jack Footplate
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fenders
(2) Tandem Axle 9x72 Smooth Fender Backs
(1) 12 Volt Trailer Breakaway Kit
(1) Breakaway Switch
(2) Silver Trailer Safety Chains - 1/4x31" (5k Capacity)
(1) LED Light Kit with Harness
(1) License Plate Bracket
(1) License Plate Light - Rectangular
(1) 26' of 6 Way Cable - 14 Gauge
(1) 7 Way Plug

Custom Order Notes: Custom axles carry a +3 day build time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung or Overslung, selected at checkout
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x4.5 Bolt Pattern | Custom (Built to Your Measurements)

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: Custom, enter your measurements
Bolt Pattern: 5x4.5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring mount: Underslung or Overslung, choose your configuration
Cambered axle tube: Yes or No, choose your configuration
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

Custom Order Notes: Custom axles carry a +2 Week Build Time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – Custom (Built to Your Measurements) – 5x4.5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 D15 6 Ply Bias TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit – 3,500 lb Capacity | 5x5 Bolt Pattern | Custom (Built to Your Measurements)

Build your entire single-axle trailer from one box. This 3,500 lb heavy duty complete trailer parts kit includes the fully assembled electric brake axle, matched suspension, tires and wheels, plus the coupler, jack, lighting, and safety components needed to finish the trailer.

Axle Specifications:

Load Rating: 3,500 lbs (3.5K)
Axle Type: Electric Brake
Brake Assemblies: 10" x 2.25" Electric Drum
Tube Diameter: 2 3/8" Straight Axle Tube
Hubface/Spring Center: Custom, enter your measurements
Bolt Pattern: 5x5
Stud Size: 1/2"-20 x 1.99" Long (Press-In)
Tire Compatibility: Fits 13" to 15" Tire & Wheel Assemblies
Spring mount: Underslung or Overslung, choose your configuration
Cambered axle tube: Yes or No, choose your configuration
Compatibility: Direct replacement for Dexter, AL-KO, Lippert, and Hayes axles

Custom Order Notes: Custom axles carry a +2 Week Build Time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

What’s Included:

(1) Fully Assembled 3.5k TK Electric Brake Axle – Custom (Built to Your Measurements) – 5x5
(2) 4-Leaf Double Eye Springs for 3500 lb Axles
(1) U-Bolt Kit for 3500 lb Axle
(1) Double Eye Hanger Kit – Fits 2K to 7K Axles
(2) 15" 205/75 R15 Radial TWA (Tire Wheel Assemblies) – Silver/Gray Finish
(1) 7K A-Frame Cast Trailer Coupler – 2" Bulldog Style
(1) A-Frame 5k Trailer Jack – Top Wind
(1) Trailer Jack Footplate
(1) LED Light Kit with Harness
(2) Silver Trailer Safety Chains – 1/4x31" (5k Capacity)

Key Benefits:

Complete Trailer Package – Running gear, tires, coupler, jack, lights, and safety chains in one order
Electric Brakes – Heavy duty configuration with reliable stopping power
Fully Assembled & Packed with High-Temp Axle Grease – Ready for fast installation
High-Strength Steel Construction – Ensures durability and a smoother highway towing experience
EZ Lube Design – Grease your axle without removing the hub

Compatibility & Usage:

RV Trailer Builds or Replacements
Utility Trailer Conversions
Boat Trailer Upgrades
Cargo & Equipment Trailers

Why Buy from The Trailer Parts Outlet?

This Axle is Proudly Manufactured in the U.S.A.
Ships Fast — Order Today, Ships Tomorrow
Bulk & Wholesale Options Available
Financing Options
Dedicated Expert Support

Have questions? Call or message us at (936) 289-3191 — we’re here to help you find the perfect axle for your trailer build or repair. Order your 3.5K Heavy Duty Complete Single Axle TK Trailer Parts Kit today and get back on the road with confidence!

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - Custom Measurements - 5x4.5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - Custom - 5x4.5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Bias Trailer Tire & Wheel - ST 205/75D15 (Silver Mod) - 5x4.5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

Custom Order Notes: Custom axles carry a +2 week build time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung or Overslung, selected at checkout
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

3.5K Heavy Duty Complete Tandem TK Trailer Parts Kit - 7K Capacity - Custom Measurements - 5x5

Compatible with most 3.5K trailer applications. Replaces Dexter, AL-KO, Hayes, and Lippert axles.

The full trailer build in one order: heavy duty tandem running gear (brakes on both axles), tires and wheels, plus the coupler, jack, fenders, lighting, wiring, and safety components to finish the trailer.

What's Included:

(2) 3.5k TK Trailer Axle - 3500 lb Electric Brake - Custom - 5x5
(4) 4 Leaf 25 1/4"x 1 3/4" Trailer Double Eye Spring for 3500 lb Axles
(2) 3500 lb 1/2" U-Bolt Kit for 2 3/8" Tube Trailer Axle
(1) Trailer Double Eye Tandem Hanger Kit for 3500 - 7000 lb Axles
(4) 15" 6 ply Radial Trailer Tire & Wheel - ST 205/75R15 (Silver Mod) - 5x5
(2) Tandem Axle 9x72 Smooth Steel Teardrop Fender
(2) Tandem Trailer Axle Fender Back for 9x72 & 10x72 Fender
(1) RAM 7K A-Frame Cast Trailer Coupler - 7000 lb 2" Bulldog Style
(1) A-Frame 5k Trailer Jack 5000 lb Top Wind
(1) Trailer Jack Footplate
(1) 8 Function 4" Box Tail Light Left Side Pig Tail
(1) 7 Function 4" Box Tail Light Right Side Pig Tail
(2) Model S170 Amber P2/PC Sidemarker Amber Lens 6" Pigtail
(1) 25ft 4 pole Wire Harness
(4) Zinc Steel Square-neck Carriage Bolt for S/T/T light
(4) Medium Strength Steel Nylon Insert Locknut for S/T/T light
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) Trailer License Plate Bracket - Black
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(26 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Silver Trailer Safety Chain - 1/4x31" (5k Capacity)

Custom Order Notes: Custom axles carry a +2 week build time and are built to the measurements you enter at checkout, in 1/4 inch increments. Custom orders are non-refundable, and any modifications to the order must be requested within 24 hours of purchase.

How to Measure: Hubface is measured from one hub face (where the studs come out) to the hub face on the opposite side. Spring Center is measured from the center of one spring seat to the center of the opposite spring seat.

Axle Specs:

Capacity: 3,500 lb (3.5K)
Lug: 5 Lug
Tube: 2 3/8" Round
Brake: 10" x 2.25" Electric
Mounting: Underslung or Overslung, selected at checkout
Hub Design: EZ Lube (grease zerk under a removable rubber plug, no hub removal needed)
ABS: This axle is not ABS compatible
Replaces: Dexter, AL-KO, Hayes, Lippert

Features:

Complete trailer package - Running gear, tires, coupler, jack, fenders, lights, wiring, and safety components
Brakes on both axles - Heavy duty configuration with two electric brake axles
Pre-packaged fitment - Matched components, no cross-referencing parts
Fully assembled axles - Packed with high-temp grease, EZ Lube hubs, underslung spring seats

Why This Kit?

Whether you are building a new trailer or replacing worn running gear, this gives you matched parts sized to work together. No mismatched components, no return trips to the parts store.

Why The Trailer Parts Outlet?

Fast shipping. Accurate fitment. Real people ready to help. We specialize in trailer parts so you do not have to guess, just order and get back on the road.

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3500 lb TK Single Axle Trailer Parts Kit - 3.5K Capacity HD (Complete Original Series)

3500 lb TK Single Axle Trailer Parts Kit - 3.5K Capacity HD (Complete Original Series)