K-3744 Eaton Fuller Master Rebuild Kit

The Eaton Fuller K-3744 or K3744 Master Rebuild Kit bundles the major internal components needed for a full manual transmission overhaul in one part number. The kit includes main case countershaft bearings front and rear, reverse gear idler shaft bearings, ball bearings, the main drive gear, an input shaft assembly, sliding clutches, synchronizer assemblies for low speed and auxiliary direct, a splitter cover assembly, range slave valve, air filter/regulator assembly, air hose assemblies, plus gasket, O-ring, shim, oil seal, sleeve and hardware kits. Sold as a genuine Eaton Fuller part by Pro Gear and Transmission. Not sure this is your kit? Give us a call to confirm proper fit for your transmission.

Features

Eaton Fuller Master Rebuild Kit, part number K-3744 or K3744
Main case countershaft bearings, front and rear, plus reverse idler shaft bearings
Input shaft assembly and main drive gear included
Low speed and auxiliary direct synchronizer assemblies
Range slave valve, splitter cover and air filter/regulator assemblies with air hoses
Bundled gasket, O-ring, shim, oil seal, sleeve and hardware kits

Tech Specs

• Kit part number: K-3744 or K3744
• Type: Master Rebuild Kit for Eaton Fuller manual transmission
• Includes countershaft bearings: main case front and rear, reverse gear idler shaft
• Includes input shaft assembly S-1659 and main drive gear 4304510
• Synchronizers: A-7254 low speed, A-7331 auxiliary direct
• Subkits: gasket kit K-3288, O-ring kit K-3341, shim kit K-2805, sleeve kit K-1969, oil seal kits K-2262 and K-2918

Additional Information

Kit contents (partial, per Eaton kit bill of materials): 4308397 main case countershaft bearing front x2, 4308398 main case countershaft bearing rear x2, 4308403 reverse gear idler shaft bearing x2, S-1659 input shaft assembly, 4304510 main drive gear, 4301840 sliding clutch, 4306647 sliding clutch, A-7254 low speed synchronizer assembly, A-7331 auxiliary direct synchronizer assembly, A-6863 splitter cover assembly, A-5000 range slave valve assembly, A-4740 air filter/regulator assembly, A-8030 retainer assembly, K-3104 actuator pin kit, K-4122 hex flange crimped nut kit, plus assorted O-rings, snap rings, washers, gears, air hose assemblies, sealant and silicone lubricant.