The Eaton Fuller Lo Mainshaft Gear, part number 4303412, is the low gear for the mainshaft assembly in a wide range of Eaton Fuller heavy-duty manual transmissions. It supersedes part number 4303410 and carries item position 8 in the mainshaft assembly group across all covered models. This gear fits RTLO, RTLOF, RTLOC, RTLOM, RTX, and FO-series transmissions including the RTLO-12713A, RTLO-16913A-T2, RTLO-18913A, RTLO-20913A, RTX-11709H, RTX-12709H, and many related models. Call us to confirm proper fit for your specific transmission.
Interchanges:
- 3088-4303412
- 4303412-SP
- 900042
- 900042HP
- S-F445
- ZBF4303412
Features
Low gear position in the mainshaft assembly, item position 8
Supersedes Eaton Fuller part number 4303410
Fits 47 documented RTLO, RTLOF, RTLOC, RTLOM, RTX, and FO-series transmission models
Applies to both standard and T2-designated RTLO variants including RTLO-16713A-T2 and RTLO-18913A-T2
Genuine Eaton Fuller component sold by Pro Gear and Transmission
Tech Specs
- Supersedes: 4303410
- Assembly Group: Mainshaft Assembly (Lo Gear, item position 8)
- Applicable Transmission Families: RTLO, RTLOF, RTLOC, RTLOM, RTX, FO-series
