8K Hybrid Complete Bumper-Pull Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, an A-frame coupler and side-wind jack, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: 75/58
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8k TK Hybrid Electric Brake Trailer Axle - (12" Brake - 3.5" Tube) - 75/58 - 8x6.5 - 9/16"
(4) 6 Leaf 29 1/2" x 2" Wide Trailer Heavy Duty Slipper Spring for 8000 lb Axles
(2) 9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles
(1) Trailer Tandem Slipper Hanger Kit for 5200 - 8000 lb axles
(4) 16" 14 ply Radial Trailer Tire & Wheel - ST 235/80 R16 (Silver Mod) - 8x6.5
(2) Tandem Axle 10x72 Steel Tread Plate Double Broke Trailer Fender
(2) Tandem Trailer Axle Fender Back for 10x72 Double Broke Trailer Fender
(1) RAM 12.5K A-Frame Cast Trailer Coupler - 12500 lb 2 5/16" Bulldog Style
(1) Drop Leg 8k 7k Trailer Jack - 8000 7000 lb Side Wind
(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
(36 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Trailer Safety Chain - 5/16 x 30" - Forged (7.6k Capacity)
(20) Reflective DOT Tape - 18" Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

Fast shipping — 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 kit for your trailer build. Order your 8K Complete Bumper-Pull Trailer Kit today and get building with confidence!

8K Hybrid Complete Gooseneck Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, a gooseneck coupler and dual drop-leg jacks, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: 75/58
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8k TK Hybrid Electric Brake Trailer Axle - (12" Brake - 3.5" Tube) - 75/58 - 8x6.5 - 9/16"
(4) 6 Leaf 29 1/2" x 2" Wide Trailer Heavy Duty Slipper Spring for 8000 lb Axles
(2) 9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles
(1) Trailer Tandem Slipper Hanger Kit for 5200 - 8000 lb axles
(4) 16" 14 ply Radial Trailer Tire & Wheel - ST 235/80 R16 (Silver Mod) - 8x6.5
(2) Tandem Axle 10x72 Steel Tread Plate Double Broke Trailer Fender
(2) Tandem Trailer Axle Fender Back for 10x72 Double Broke Trailer Fender
(1) RAM 25k Gooseneck Trailer Coupler - 25000 lb Adjustable Round 2 5/16
(2) RAM Drop Leg 12k Trailer Jack - 12000 lb Front Pin Side Wind - without handle
(2) 12k Trailer Jack handle
(4) Red 6in Oval LED S/T/T Light 6" Oval 6 LED STT Grommet Mount Red Lens Pigtail
(2) Midturn Amber Lens Grommet Mount Pigtail
(4) 3/4" Round Amber Mini Side Marker Clearance Light Amber Mini Grommet Mount PC Sidemarker Amber Lens
(2) 3/4" Round Red Mini Side Marker Clearance Light
(6) Flush Mount Grommet For 6in Oval Lights
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(36 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Gold Trailer Safety Chain - 3/8 x 39" with 1 Clevis Hook (27.4k Capacity)
(30) Reflective DOT Tape - 18" Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

Fast shipping — 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 kit for your trailer build. Order your 8K Complete Gooseneck Trailer Kit today and get building with confidence!

8K Hybrid Complete Bumper-Pull Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, an A-frame coupler and side-wind jack, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: 95/80
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8k TK Hybrid Electric Brake Trailer Axle - (12" Brake - 3.5" Tube) - 95/80 - 8x6.5 - 9/16"
(4) 6 Leaf 29 1/2" x 2" Wide Trailer Heavy Duty Slipper Spring for 8000 lb Axles
(2) 9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles
(1) Trailer Tandem Slipper Hanger Kit for 5200 - 8000 lb axles
(4) 16" 14 ply Radial Trailer Tire & Wheel - ST 235/80 R16 (Silver Mod) - 8x6.5
(2) Tandem Axle 10x72 Steel Tread Plate Double Broke Trailer Fender
(2) Tandem Trailer Axle Fender Back for 10x72 Double Broke Trailer Fender
(1) RAM 12.5K A-Frame Cast Trailer Coupler - 12500 lb 2 5/16" Bulldog Style
(1) Drop Leg 8k 7k Trailer Jack - 8000 7000 lb Side Wind
(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
(36 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Trailer Safety Chain - 5/16 x 30" - Forged (7.6k Capacity)
(20) Reflective DOT Tape - 18" Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

Fast shipping — 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 kit for your trailer build. Order your 8K Complete Bumper-Pull Trailer Kit today and get building with confidence!

8K Hybrid Complete Gooseneck Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, a gooseneck coupler and dual drop-leg jacks, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: 95/80
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8k TK Hybrid Electric Brake Trailer Axle - (12" Brake - 3.5" Tube) - 95/80 - 8x6.5 - 9/16"
(4) 6 Leaf 29 1/2" x 2" Wide Trailer Heavy Duty Slipper Spring for 8000 lb Axles
(2) 9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles
(1) Trailer Tandem Slipper Hanger Kit for 5200 - 8000 lb axles
(4) 16" 14 ply Radial Trailer Tire & Wheel - ST 235/80 R16 (Silver Mod) - 8x6.5
(2) Tandem Axle 10x72 Steel Tread Plate Double Broke Trailer Fender
(2) Tandem Trailer Axle Fender Back for 10x72 Double Broke Trailer Fender
(1) RAM 25k Gooseneck Trailer Coupler - 25000 lb Adjustable Round 2 5/16
(2) RAM Drop Leg 12k Trailer Jack - 12000 lb Front Pin Side Wind - without handle
(2) 12k Trailer Jack handle
(4) Red 6in Oval LED S/T/T Light 6" Oval 6 LED STT Grommet Mount Red Lens Pigtail
(2) Midturn Amber Lens Grommet Mount Pigtail
(4) 3/4" Round Amber Mini Side Marker Clearance Light Amber Mini Grommet Mount PC Sidemarker Amber Lens
(2) 3/4" Round Red Mini Side Marker Clearance Light
(6) Flush Mount Grommet For 6in Oval Lights
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(36 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Gold Trailer Safety Chain - 3/8 x 39" with 1 Clevis Hook (27.4k Capacity)
(30) Reflective DOT Tape - 18" Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

Fast shipping — 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 kit for your trailer build. Order your 8K Complete Gooseneck Trailer Kit today and get building with confidence!

8K Hybrid Complete Bumper-Pull Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, an A-frame coupler and side-wind jack, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: Custom, enter your measurements
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8K Straight Trailer Axles — 8,000 lb Electric Brake, 8x6.5
(2) U-Bolt Kits for 8,000 lb Axles (9/16″ diameter)
(1) Trailer Tandem Slipper Hanger Kit for 5,200–8,000 lb Axles
(4) 6-Leaf 29 1/2″ × 2″ Wide HD Slipper Springs for 8,000 lb Axles
(4) 16″ 14-Ply Radial TWA — ST235/80R16, 8 Lug Semi Steel — Silver/Gray Finish
(2) Tandem Axle 10x72 Steel Tread Plate Double-Broke Trailer Fenders
(2) Tandem Axle Double-Broke Fender Backs — Smooth
(1) 12.5K A-Frame Cast Coupler — 2 5/16″ Bulldog Style
(1) Drop-Leg 7K/8K Trailer Jack — Side Wind
(1) LED Light Kit with harness
(1) Sealed ID Light Bar — 3 Red Lights
(1) 7-Way Plug, 36 ft — 6-way cable, 14 gauge
(1) License Plate Light — Rectangular
(1) License Plate Bracket
(1) 12-Volt Trailer Breakaway Kit
(1) Breakaway Switch
(2) Silver Safety Chains — 5/16 x 30″ Forged (7.6K capacity)
(20) Reflective DOT Tape — 18″ Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

This kit is proudly assembled in the U.S.A.
Fast shipping — 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 kit for your trailer build. Order your 8K Complete Bumper-Pull Trailer Kit today and get building with confidence!

8K Hybrid Complete Gooseneck Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, a gooseneck coupler and dual drop-leg jacks, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: Custom, enter your measurements
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8K Straight Trailer Axles — 8,000 lb Electric Brake, 8x6.5
(2) U-Bolt Kits for 8,000 lb Axles (9/16″ diameter)
(1) Trailer Tandem Slipper Hanger Kit for 5,200–8,000 lb Axles
(4) 6-Leaf 29 1/2″ × 2″ Wide HD Slipper Springs for 8,000 lb Axles
(4) 16″ 14-Ply Radial TWA — ST235/80R16, 8 Lug Semi Steel — Silver/Gray Finish
(2) Tandem Axle 10x72 Steel Tread Plate Double-Broke Trailer Fenders
(2) Tandem Axle Double-Broke Fender Backs — Smooth
(1) 25K Gooseneck Coupler — 2 5/16″ Adjustable Round
(2) 12K Drop-Leg Side-Pin Spring-Loaded Jacks w/ Handle
(4) Red 6″ Oval LED S/T/T Lights
(2) Amber 6″ Oval LED S/T/T Midship Lights
(6) Flush-Mount Grommets for 6″ Oval Lights
(6) 3-Prong Pigtails for LED Lights — 10″
(4) 3/4″ Amber Side Marker Lights
(2) 3/4″ Red Side Marker Lights
(1) License Plate Light — Rectangular
(1) Sealed ID Light Bar — 3 Red Lights
(1) 7-Way Plug, 36 ft — 6-way cable, 14 gauge
(2) Safety Chains — 3/8 x 39″ w/ 1 Clevis Hook (27.4K capacity)
(30) Reflective DOT Tape — 18″ Strips
(1) 12-Volt Trailer Breakaway Kit
(1) Breakaway Switch

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

This kit is proudly assembled in the U.S.A.
Fast shipping — 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 kit for your trailer build. Order your 8K Complete Gooseneck Trailer Kit today and get building with confidence!

8K Hybrid Complete Bumper-Pull Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, an A-frame coupler and side-wind jack, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: Custom, enter your measurements
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8k TK Hybrid Electric Brake Trailer Axle - (12" Brake - 3.5" Tube) - Custom - 8x6.5 - 9/16"
(4) 6 Leaf 29 1/2" x 2" Wide Trailer Heavy Duty Slipper Spring for 8000 lb Axles
(2) 9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles
(1) Trailer Tandem Slipper Hanger Kit for 5200 - 8000 lb axles
(4) 16" 14 ply Radial Trailer Tire & Wheel - ST 235/80 R16 (Silver Mod) - 8x6.5
(2) Tandem Axle 10x72 Steel Tread Plate Double Broke Trailer Fender
(2) Tandem Trailer Axle Fender Back for 10x72 Double Broke Trailer Fender
(1) RAM 12.5K A-Frame Cast Trailer Coupler - 12500 lb 2 5/16" Bulldog Style
(1) Drop Leg 8k 7k Trailer Jack - 8000 7000 lb Side Wind
(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
(36 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Trailer Safety Chain - 5/16 x 30" - Forged (7.6k Capacity)
(20) Reflective DOT Tape - 18" Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

Custom builds to your exact measurements
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 kit for your trailer build. Order your 8K Complete Bumper-Pull Trailer Kit today and get building with confidence!

8K Hybrid Complete Gooseneck Tandem Trailer Kit — 16K capacity | Axles, Suspension, Wheels, Coupler, Jack & Wiring

Everything you need to build a 16,000 lb tandem trailer, in one package: two 8,000 lb electric-brake axles, matched slipper suspension, 14-ply wheels, fenders, a gooseneck coupler and dual drop-leg jacks, and the complete lighting, wiring, breakaway, and DOT-tape package.

Kit Specifications:

Load rating: 16,000 lbs combined (two 8K axles)
Axle type: Electric Brake (Hybrid)
Brake size: 12″ × 2″ electric drum
Tube diameter: 3.5″ extra-heavy straight axle tube
Hubface/Spring Center: Custom, enter your measurements
Bolt pattern: 8x6.5
Stud size: 9/16″
ABS: Not compatible with ABS systems

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:

(2) 8k TK Hybrid Electric Brake Trailer Axle - (12" Brake - 3.5" Tube) - Custom - 8x6.5 - 9/16"
(4) 6 Leaf 29 1/2" x 2" Wide Trailer Heavy Duty Slipper Spring for 8000 lb Axles
(2) 9/16" Trailer U-bolt kit for 3.5" Tube 8000 lb Axles
(1) Trailer Tandem Slipper Hanger Kit for 5200 - 8000 lb axles
(4) 16" 14 ply Radial Trailer Tire & Wheel - ST 235/80 R16 (Silver Mod) - 8x6.5
(2) Tandem Axle 10x72 Steel Tread Plate Double Broke Trailer Fender
(2) Tandem Trailer Axle Fender Back for 10x72 Double Broke Trailer Fender
(1) RAM 25k Gooseneck Trailer Coupler - 25000 lb Adjustable Round 2 5/16
(2) RAM Drop Leg 12k Trailer Jack - 12000 lb Front Pin Side Wind - without handle
(2) 12k Trailer Jack handle
(4) Red 6in Oval LED S/T/T Light 6" Oval 6 LED STT Grommet Mount Red Lens Pigtail
(2) Midturn Amber Lens Grommet Mount Pigtail
(4) 3/4" Round Amber Mini Side Marker Clearance Light Amber Mini Grommet Mount PC Sidemarker Amber Lens
(2) 3/4" Round Red Mini Side Marker Clearance Light
(6) Flush Mount Grommet For 6in Oval Lights
(1) Heavy Duty Sealed ID Light Bar - 3 Red Lights
(1) License Plate Light - DOT Rated (Chrome Base License Lamp Vertical Plane Mount)
(1) 7 Way Plug
(36 ft) 6 Way Cable 14 Gauge
(1) 12 Volt Trailer Breakaway Kit
(2) Gold Trailer Safety Chain - 3/8 x 39" with 1 Clevis Hook (27.4k Capacity)
(30) Reflective DOT Tape - 18" Strips

Key Benefits:

Complete, ready-to-build package — no sourcing parts from multiple stores
Matched fitment — every component sized to work together
16,000 lb combined capacity — heavy-duty 14-ply semi-steel wheels

Ideal For:

Gooseneck & flatbed trailers
Equipment & dump haulers
Complete DIY trailer builds
Commercial & fleet builds

Why Buy from The Trailer Parts Outlet?

Custom builds to your exact measurements
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 kit for your trailer build. Order your 8K Complete Gooseneck Trailer Kit today and get building with confidence!

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8000 lb TK Hybrid Tandem Axle Bumper Pull Trailer Parts Kit - 16K Capacity HD (Complete Original Series) 9/16" Studs

8000 lb TK Hybrid Tandem Axle Bumper Pull Trailer Parts Kit - 16K Capacity HD (Complete Original Series) 9/16" Studs