The Eaton Fuller Mainshaft Auxiliary Gear, part number 19783, is the Lo Gear position mainshaft component for the RTX-12509 and RTXF-12509 Fuller transmission models. This gear is listed in the illustrated parts manuals for both of those units under the Mainshaft and Synchro (Aux) group, confirming direct OEM fitment. Sold individually as one piece. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components. Call us to confirm this part fits your specific transmission serial number before ordering.
Interchanges:
- 02-7090941
- 63550
- EF63550
- FULLER 16760
- NAVISTAR 434814C2
Features
Genuine Eaton Fuller mainshaft auxiliary Lo gear
Direct fitment for RTX-12509 and RTXF-12509 transmissions
Listed in the OEM illustrated parts manual under Mainshaft and Synchro (Aux) group
Supersedes Fuller part number 16760
Sold as one individual gear
Tech Specs
- Application: RTX-12509, RTXF-12509 Fuller transmissions
- Location: Mainshaft and Synchro (Aux) group, Lo Gear position
- Superseded Part Number: 16760 (Fuller)
- Sell Pack: 1 each
