The Eaton Fuller Mainshaft Gear Low, part number 8873894, is a genuine OEM manual transmission gear designed for Eaton Fuller drivetrain applications. The mainshaft low gear is a precision-cut component that occupies a critical position in the transmission gear stack, directly affecting low-range power transfer from the mainshaft. Cross-referenced as HF8873894, this part is sold individually. Pro Gear and Transmission carries genuine Eaton Fuller components for fleet maintenance, shop rebuilds, and parts counter sourcing. Not sure this is the right gear for your application? Give us a call before ordering.
Features
Genuine Eaton Fuller OEM mainshaft low gear
Part number 8873894, also referenced as HF8873894
Manual transmission component for Eaton Fuller drivetrain applications
Sold individually as a single unit
Suitable for transmission rebuilds and component-level service
