Humphreys Hitch and Trailer Parts

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

TUBULAR 8,000 LB AXLE SPECIFICATIONS

Suspension:

Leaf Spring Suspension
  • Slipper Eye Version (Only)

(Spring Kits sold separately)

Bolt Pattern Options:

  • 8 on 6 1/2" (9/16" studs standard or optional 5/8")

Brake Options:

Forward Self-Adjusting or Manual.
  • 12 1/4" X 3 3/8" Electric
  • 12 1/4" X 3 3/8" Hydraulic - Uni or Duo-Servo, Parking feature available only with Uni-Servo, Manual Adjust, Duo-Servo RSA
  • Hydraulic Disc with ABS tone ring built in
  • ABS equipped option for hydraulic drum brakes

Spindles:

Uses 25580 Inner and 02475 Outer Bearing
  • Straight
  • 4" Drop

Tubing:

  • 3.5" OD x .250 Wall, Optional 3.5" OD x .50 Wall for Air-Ride

Lubrication:

  • Grease
  • E-Z Lube®
  • Oil Bath
  • Nev-R-Lube®
Dexter 8000 lbs Drop Axle Specifications
Dexter 8000 lbs Straight Axle Specifications
Difference Between Hub Face (HF) and Spring Center
Axle Type
Minimum
Maximum

Straight
16.00"
19.00"
 Drop 4"
 18.00"
 19.00"
NOTE: Minimums are based on manufacturing tolerances only. Some tire and wheel combinations may create interference.