The Eaton Fuller K-3745 or K3745 Master Rebuild Kit covers a full overhaul of an Eaton Fuller transmission, supplying the critical wear items in a single kit. Contents include countershaft gears, a main drive gear, tapered roller bearings, ball bearings, sliding clutch, synchronizer assemblies (K-3745 BOM lists A-7254 Low Synchronizer Assembly and A-7331 Aux Direct Synchronizer Assembly), input shaft assembly S-1659, range slave valve assembly, splitter cover assembly, air hoses, gasket kit K-2199, O-ring kit K-2804, oil seal with slinger K-2262, shim kit K-2805, actuator pin kit K-3104, sleeve kit K-1969, sealant, and silicone lubricant. Call us to confirm this kit fits your specific transmission model before ordering.
Countershaft Gears 4300191 - x2
Countershaft Gears 4307114 - x2
Main Drive Gear 4307126 - x1
Main Case Countershaft Bearing Front 4308397 - x2
Reverse Gear Idler Shaft Bearing 4308403 - x2
Tapered Roller Bearing 4300902-BOX - x1
Ball Bearing 81504 - x1
Sliding Clutch 4306647 - x1
Sliding Clutch (SLG) 4301840 - x1
Input Shaft Assembly S-1659 - x1
Synchronizer Assembly Low S A-7254 - x1
Synchronizer Assembly Aux Direct A-7331 - x1
Range Slave Valve Assembly A-5000 - x1
Splitter Cover Assembly A-6863 - x1
Gasket Kit K-2199 - x1
O-Ring Kit K-2804 - x1
Oil Seal with Slinger K-2262 - x1
Shim Kit K-2805 - x1
Actuator Pin Kit K-3104 - x1
Sleeve Kit K-1969 - x1
Air Hose Assembly 55509 - x2
Air Hose Assembly 55518 - x1
Air Hose Assembly 55527 - x1
Filter/Regulator Assembly A-4740 - x1
Front Bearing Cover 20550 - x1
Release Shaft Bushings 12815 - x4
Snap Rings, O-Rings, Washers, Springs, Fasteners, Sealant, and Silicone Lubricant also included
Features
Includes countershaft gears (4300191 x2, 4307114 x2) and main drive gear (4307126)
Synchronizer assemblies: Low Synchronizer A-7254 and Aux Direct Synchronizer A-7331
Input shaft assembly S-1659 included
Gasket kit K-2199, O-ring kit K-2804, and oil seal with slinger K-2262 supplied
Shim kit K-2805 and actuator pin kit K-3104 included
Air hose assemblies, sealant, and silicone lubricant round out the kit
Additional Information
Kit K-3745 Bill of Materials (selected major components):Countershaft Gears 4300191 - x2
Countershaft Gears 4307114 - x2
Main Drive Gear 4307126 - x1
Main Case Countershaft Bearing Front 4308397 - x2
Reverse Gear Idler Shaft Bearing 4308403 - x2
Tapered Roller Bearing 4300902-BOX - x1
Ball Bearing 81504 - x1
Sliding Clutch 4306647 - x1
Sliding Clutch (SLG) 4301840 - x1
Input Shaft Assembly S-1659 - x1
Synchronizer Assembly Low S A-7254 - x1
Synchronizer Assembly Aux Direct A-7331 - x1
Range Slave Valve Assembly A-5000 - x1
Splitter Cover Assembly A-6863 - x1
Gasket Kit K-2199 - x1
O-Ring Kit K-2804 - x1
Oil Seal with Slinger K-2262 - x1
Shim Kit K-2805 - x1
Actuator Pin Kit K-3104 - x1
Sleeve Kit K-1969 - x1
Air Hose Assembly 55509 - x2
Air Hose Assembly 55518 - x1
Air Hose Assembly 55527 - x1
Filter/Regulator Assembly A-4740 - x1
Front Bearing Cover 20550 - x1
Release Shaft Bushings 12815 - x4
Snap Rings, O-Rings, Washers, Springs, Fasteners, Sealant, and Silicone Lubricant also included
