The Eaton Fuller Mainshaft Assembly, part number S-1220 or S1220, is a direct-fit replacement mainshaft assembly for Eaton Fuller transmissions. The mainshaft is a core internal component of the transmission, carrying the main gear stack and transmitting torque through the drivetrain. Sourcing a correct mainshaft assembly is critical to proper gear engagement and overall transmission integrity. Pro Gear and Transmission carries this genuine Eaton Fuller part. Not sure this is the right assembly for your transmission? Give us a call before ordering to confirm proper fit.
Features
Genuine Eaton Fuller part number S-1220 or S1220
Mainshaft assembly for Eaton Fuller transmissions
Core internal component supporting the main gear stack
Direct replacement designed to Eaton Fuller specifications
Sold by Pro Gear and Transmission
