The Eaton Fuller Input Shaft Assembly S-1409 is a genuine Eaton Fuller drivetrain component for RTO and RTX series heavy-duty transmissions. The parts manual describes it as a 2-inch pull input shaft with seal, used with front bearing cover 18699. It appears in the illustrated parts lists for over 45 Eaton Fuller transmission models spanning the RTO-11608LL, RTX-11609A, RTX-15615, and related RTOF and RTXF variants. Call us to confirm proper fit for your specific transmission model.
Interchanges:
- 67070
- EF67070
- FULLER 18837
- MACK 3088-S1409
- NAVISTAR 1646888C1
- NAVISTAR 1681295C91
Features
Genuine Eaton Fuller Input Shaft Assembly, part number S-1409 or S1409
2-inch pull input shaft, supplied with seal
Designed for use with front bearing cover (FBC) 18699 per manual notation
Fits RTO, RTX, RTOF, and RTXF series Eaton Fuller transmissions (45+ models)
Used in 63 Eaton Fuller models
