The Eaton Fuller Auxiliary Mainshaft, part number 4300312, is a direct OEM replacement shaft for manual auxiliary transmissions. At 16.125 inches in length, this shaft is designed to fit the Fuller 14710, 15710, and 16710 Series transmissions, covering a broad range of heavy-duty truck applications. Sold individually by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission build.
Interchanges:
- 900149
- S-11337
- FULLER 22970
- MACK 3088-22970
- MACK 3088-4300312
- MACK 4333-1685634C1
- MACK 4333-1685949C1
- NAVISTAR 1685634
- NAVISTAR 1685634C1
- NAVISTAR 1685949
- NAVISTAR 1685949C1
- VOLVO FUL4300312
Features
Fits Fuller 14710, 15710, and 16710 Series auxiliary transmissions
Shaft length: 16.125 inches
Direct OEM part number 4300312
Sold as a single unit
Genuine Eaton Fuller auxiliary transmission component
Tech Specs
- Length: 16.125 in.
- Application: Fuller 14710 Series, 15710 Series, 16710 Series auxiliary transmissions
- OEM Part Number: 4300312
- Sold as: Each
Used in 33 Eaton Fuller models
