Slack Adjusters

Gunite slack adjusters are the industry’s first choice for performance, reliability and safety. Improved braking performance, lower operating costs and reduced down time are just some of the advantages you’ll experience with Gunite Automatic Slack Adjusters. The slack of choice for performance among industry leaders, you’ll find an assortment of spline and arm length configurations as well as multiple clevis options. Gunite automatic slack adjusters outperform other brands while substantially lowering vehicle and fleet operating cost.

Gunite Automatic Slack Adjusters are proven, year after year, as the standard of the industry in providing superior performance, reduced maintenance costs and consistent, long-term reliability, trip after trip.  You can depend on Gunite.

Available for front (steer), rear (drive) and trailer axle applications.

New Extended Warranty Now Industry-Best

Accuride Wheel End Solutions has improved the standard warranty coverage for its Gunite standard and Gunite 2000 range of automatic slack adjusters, extending mileage and warranty length on these models to industry-leading levels.

 Gunite ASA Warranty Extension (PDF)

Features include:

  • 5″, 5-1/2″, 6″, 6-1/2″ Arm Lengths
  • Straight or Offset clevis with 1/2″ or 5/8″ threads
  • Unhanded design
  • Compact housing for easy installation
  • Patented Tru-Seal® link boot
  • Drilled worm wheel
  • Factory lubricated and sealed
  • Extended life clevis pin bushing
  • O-Ring on spline gear
  • Available in 10, 24, 28, or 37 spline configurations
  • Threaded and welded clevis applications

Clevis Kits and Service Kits also available.

Gunite Automatic Slack Adjuster Spec Sheet (PDF)

Gunite Automatic Slack Adjuster Catalog (PDF)

Gunite Automatic Slack Adjuster Installation and Service Manual (PDF)

Gunite Slack Adjuster Pocket Guide (PDF)

Gunite Automatic Slack Adjuster Technical Service Bulletin May 2019