The Fabco 775-0452 or 7750452 is a ring gear and pinion kit carrying a 5.57 gear ratio, designed for RST40 applications. Fabco is a recognized manufacturer of transfer cases, steerable drive axles, and related drivetrain components for heavy-duty trucks. This kit supplies the matched ring and pinion gear set needed when rebuilding or repairing the final drive gearing in an RST40 unit. Using a matched gear set from the original equipment manufacturer helps maintain the correct 5.57 drive ratio and proper gear mesh. Pro Gear and Transmission carries genuine Fabco drivetrain parts. Call us to confirm this kit fits your specific unit before ordering.
Features
Genuine Fabco ring gear and pinion kit
Part number 775-0452 or 7750452
5.57 gear ratio
Designed for RST40 applications
Matched gear set for correct ratio and gear mesh integrity
Tech Specs
- Gear Ratio: 5.57
- Application: RST40
- Part Number: 775-0452 or 7750452
- Brand: Fabco
