The Eaton Fuller K-3754 Master Rebuild Kit (also referenced as K3754) is a comprehensive overhaul kit covering the RTX-14715, RTX-15715, RTXF-14715, and RTXF-15715 transmission models. The kit includes over 70 individual components sourced directly from Eaton, spanning bearings (main case countershaft front bearings, reverse gear idler shaft bearing, input shaft bearing), countershaft and main drive gears, sliding clutches, synchronizer assemblies (low-range: A-7254; aux direct: A-7331), a range slave valve assembly (A-5000), air/filter regulator assembly (A-5454), an O-ring kit (K-2054), a gasket kit (K-2061), an oil seal with slinger (K-2262), a shim kit (K-2805), air hose assemblies, clutch release shaft bushings, snap rings, thrust washers, and an instruction letter. A genuine Eaton Fuller part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission serial number.
Features
Fits Eaton Fuller RTX-14715, RTX-15715, RTXF-14715, and RTXF-15715 transmissions
Includes multiple bearing sets: main case countershaft front bearings (x2), reverse gear idler shaft bearings (x2), and input shaft bearing (x1)
Contains two synchronizer assemblies: A-7254 (low-range) and A-7331 (aux direct)
Range slave valve assembly (A-5000) and air filter/regulator assembly (A-5454) included
Sub-kits included: O-ring kit K-2054, gasket kit K-2061, oil seal with slinger K-2262, sleeve kit K-1969, and shim kit K-2805
Genuine Eaton Fuller part number K-3754, also referenced as HFK-3754
