The Eaton Fuller Auxiliary Drive Gear, part number 4303357, is the OEM auxiliary main drive gear for Eaton Fuller RTO and RTX series heavy-duty transmissions. Manufacturer parts manual listings confirm fitment across eight transmission models: RTO-14909ALL, RTO-16909ALL, RTOF-14909ALL, RTOF-16909ALL, RTX-14715, RTX-15715, RTXF-14715, and RTXF-15715. This gear is listed as a single-piece item in the auxiliary drive gear group of each applicable illustrated parts list. Call us to confirm proper fit for your specific transmission serial number and application.
Interchanges:
- 35530872
- 3948620
- 4303357-SP
- 900142
- 900142HP
- S-18028
- ZBF4303357
- MACK 3088-4303357
Features
Fits Eaton Fuller RTO-14909ALL, RTO-16909ALL, RTOF-14909ALL, RTOF-16909ALL series transmissions
Fits Eaton Fuller RTX-14715, RTX-15715, RTXF-14715, RTXF-15715 series transmissions
Listed as item 12 in the auxiliary drive gear group for RTO-14909ALL and RTX-14715 series manuals
Listed as item 5 in the auxiliary drive gear group for RTO-16909ALL series manual
Tech Specs
- Transmission Models (per OEM parts manuals): RTO-14909ALL, RTO-16909ALL, RTOF-14909ALL, RTOF-16909ALL, RTX-14715, RTX-15715, RTXF-14715, RTXF-15715
- Part Type: Auxiliary Drive Gear (Auxiliary Main Drive Gear)
- Qty Per Assembly: 1
