The Eaton Fuller Auxiliary Mainshaft, part number 15823, is a genuine OEM replacement shaft for Eaton Fuller auxiliary transmission assemblies. This shaft is also referenced under cross-reference numbers 15823-SP, 15823SP, 3088-15823, and FUL15823, making it straightforward to confirm you have the correct part across multiple catalogs. The auxiliary mainshaft is a critical rotating component in the auxiliary section of an Eaton Fuller transmission, carrying torque through the rear gearset. Pro Gear and Transmission carries genuine Eaton Fuller drivetrain components. Call us to confirm proper fit for your specific transmission configuration.
Features
Genuine Eaton Fuller OEM auxiliary mainshaft
Part number 15823, also cross-referenced as 15823-SP, 15823SP, 3088-15823, and FUL15823
Replaces the auxiliary section mainshaft in Eaton Fuller transmissions
Sold individually (each) by Pro Gear and Transmission
Call us to verify fitment for your specific transmission model
