Challenge 08 Gearbox Shim Kit

Challenge 08 Gearbox Shim Kit

This is a shim kit specifically for the Challenge Model 08 (24-Bolt) concrete mixer gearbox. The kit contains multiple shims of varying thicknesses, which are essential during gearbox assembly or rebuilds to achieve the precise spacing required for correct gear alignment and bearing preload. Failure to use the correct shims can lead to premature wear, noise, and catastrophic gearbox failure. The shims are installed between the input housing and the main gearbox housing.

Key Features

• Direct replacement for Challenge Model 08 (24-Bolt) gearboxes.
• Contains multiple shims to achieve precise fitment.
• Essential for gearbox rebuilds and maintenance to set correct tolerances.
• Used to adjust spacing between the input and main gearbox housings.

Fits These Mixers

ZF, Rex, PMP, Challenge, Bonfiglioli. Fits the Challenge Model 08 (24-Bolt) concrete mixer gearbox. This kit is specifically identified as item #25 in the parts diagram for this gearbox.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.