Challenge 08 Gearbox Sun Gear

Challenge 08 Gearbox Sun Gear

This is a replacement sun gear for the Challenge Cook Brothers (CCB) 08 model gearbox, specifically the 24-bolt configuration. The sun gear is a central component in the planetary gear system, responsible for transmitting power to the planet gears. This part is essential for repairing a failed or worn gearbox to restore proper drum rotation on a concrete mixer truck.

Key Features

• Direct replacement for the original sun gear
• Designed for the Challenge 08 (24-Bolt) gearbox

Fits These Mixers

ZF, Rex, PMP, Challenge, Bonfiglioli. Fits Challenge Cook Brothers Model 08 (24 Bolt) concrete mixer gearboxes.

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.