Humphreys Hitch and Trailer Parts

Serving Pensacola for over 25 Years!
Questions? Call Us +1 (850) 941-4010.

TUBULAR 12,000 LB HEAVY DUTY AXLE SPECIFICATIONS

Suspension:

Leaf Spring Suspension
  • Mounted 3" Wide Slipper Eye, Rubber Bushing

(Spring Kits sold separately)
Adjustable Spring Seat: For Tracking Alignment (optional)

Bolt Pattern Options:

  • 8 on 6 1/2" 4.75 Pilot

Standard: Hi-Profile Hub for 16-16.5 wheels
  Optional: Low-Profile hub for 14.5" wheels

Brake Options:

  • 12 1/4" X 5" Electric-Forward Self-Adjusting
  • 12 1/4" X 5" Hydraulic - Forward Self-Adjusting, Uni or Duo-Servo, Parking feature available with Duo-Servo only
  • Hydraulic Disc
  • Air Brakes -
    Manual Slack Adjusters - Standard
    Automatic Slack Adjusters - Optional
  • ABS equipped option for hydraulic, Disc and Air brakes

Spindles:

Uses 3984 Inner and 28682 Outer Bearing
  • Straight

Tubing:

  • 5" OD

Lubrication:

  • Oil Bath
Dexter 12,000 lb Heavy Duty Axle Specifications
Difference Between Hub Face*/Track Width* and Spring Center
Hubs/Wheel
Minimum
Maximum

Low/Single (HF)
32.74"
41.00"
Low/Dual (TW)
   33.50"
 41.00"
High/Single (HF)
 25.88"
 41.00"
High/Dual (TW)
   25.88"
 41.00"
NOTE: Minimums are based on manufacturing tolerances only. Some tire and wheel combinations may create interference.
*Hubface (HF) used to specify applications using single wheels
Track Width (TW) used to specify applications using dual wheels.