The Eaton Fuller 1st mainshaft gear, part number 4306561, is a genuine OEM transmission component designed for Eaton Fuller heavy-duty manual transmissions. The mainshaft first gear is a critical drivetrain part that transfers torque through the transmission's main shaft at the first gear ratio position. As a genuine Eaton Fuller part, it meets the original design tolerances for the transmission models it serves. Pro Gear and Transmission carries this component for fleet maintenance operations and professional rebuilders. Call us to confirm proper fit for your specific transmission application before ordering.
Features
Genuine Eaton Fuller OEM part number 4306561
1st position mainshaft gear for Eaton Fuller heavy-duty transmissions
Designed to meet original Eaton Fuller design tolerances
Suited for professional transmission rebuilds and fleet maintenance
Sold by Pro Gear and Transmission
