Humphreys Hitch and Trailer Parts

Serving Pensacola for over 25 Years!
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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" (5/8" Studs) 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 (Standard)
  • Grease
Dexter 12,000 lb Heavy Duty Axle Specifications
Overhang Restrictions
SPINDLE
HUB TYPE
MINIMUM
MAXIMUM
Single Wheel (HF)
ALL
25.30"
49"
Dual Wheel (TW)
ALL
26"
49"
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.