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

  • 8000 lb Tandem Axle Complete Gooseneck Trailer Kit
  • Specs: 6,000 lbs Electric Brake Trailer Axle (6K Capacity) Tube: 3" Bolt Pattern: 6x5.5 This axle is not ABS compatible This 6K electric brake trailer axle comes f6k TK Trailer Axle
  • Custom axle min/max reference chart
  • 5,200 lb - 8,000 lb Tandem Axle Hanger Placement Diagram (5.2K - 8K Slipper Spring Suspension Setup)
  • 12K-16K Trailer Axle Hydraulic Drum Brake Assembly - 12.25"x5" - 12000-16000 lb Capacity - Right Hand (Passenger Side).
  • What's Included: 1 - 3.5k Electric Drum Brake Axle (5x4.5) - 4" Drop 2 - 1.75k 25.25" 4 leaf Double Eye Springs 1 - 3.5K U-Bolt Kits 1 - Double Eye Hanger Kit This 3.5k TK Heavy Duty
1 6

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

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

SKU : 08DHDSMCKTTKGN7556916865

Online price only

$3,930.99

Online price only

SAVE 0% (833) 910-3416
Shipping: Calculated at Checkout | Product Wt. 1180.0 lb
Hubface/Spring Center:
Tax Exempt? Enter info in cart when you're done shopping.
View full details
  • Product Information
  • How To
  • Reviews

True 8K 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 (True 8K)
  • Brake size: 12¼″ × 3⅜″ electric drum
  • Tube diameter: 3.5″ extra-heavy straight axle tube
  • Hubface/Spring Center: 75/56
  • 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) True 8k TK Electric Brake Trailer Axle - (12 1/4" Brake - 3.5" Tube) - 75/56 - 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!