The Eaton Fuller K-2779 or K2779 Basic Overhaul Kit is a comprehensive transmission rebuild kit covering the major wear components needed for a full overhaul. The kit includes a complete input shaft assembly (S-1659), multiple bearing sets including tapered roller bearings and ball bearings, snap rings, synchronizer springs, position-finder springs, a sliding clutch, a reverse gear idler shaft bearing, main case countershaft front bearings, a complete O-ring kit (K-2804), gasket kits (K-2199 and K-1783), an oil seal with slinger (K-2262), a shim kit (K-2805), an insert valve, straight and elbow connectors, sealant, and instruction letters. Call us to confirm proper fit for your transmission.
Input Shaft Assembly (S-1659) x1
Main Case Countershaft Bearing, Front (4308397) x2
Reverse Gear Idler Shaft Bearing (4308403) x2
Tapered Roller Bearing Set (4300902-BOX) x1
Bearing Set (4301851-BOX) x4
Rear Mainshaft Bearing Set (21356-BOX) x1
Bearing (4308452) x2
Bearing (5566508-BOX) x1
Ball Bearing (81504) x1
Snap Ring (14317) x2
Snap Ring (14750) x1
Snap Ring (16980) x1
Snap Ring (4301254) x1
Snap Ring (4303424) x1
Spring (14897) x3
Spring, Position Finder (15918) x3
Synchronizer Spring (14897) x3
Sliding Clutch (4304317) x1
Insert Valve (19974) x1
Gasket Kit K-2199 x1
Gasket Kit K-1783 x1
O-Ring Kit K-2804 x1
Oil Seal with Slinger K-2262 x1
Shim Kit K-2805 x1
Straight Connector (84005) x2
Elbow Connector (85003) x1
Sealant (71205) x1
Instruction Letters (L-1680, L-1895, L-3887, L-3987)
Interchanges:
- 900454
- FUL-K2779
- K2779SP
- S-17057
- TRK-2779
- ZBFK2779
- MACK 3088-K2779
Features
Includes input shaft assembly (OEM S-1659) plus multiple bearing sets: tapered roller, ball, and rear mainshaft bearings
Covers sealing needs with O-ring kit K-2804, gasket kits K-2199 and K-1783, and oil seal with slinger K-2262
Main case countershaft front bearings (x2) and reverse gear idler shaft bearings (x2) included
Shim kit K-2805 included for precise endplay adjustment during reassembly
Sliding clutch, insert valve, synchronizer springs, and position-finder springs also in kit
Additional Information
Kit Contents (Eaton Fuller K-2779 Basic Overhaul Kit):Input Shaft Assembly (S-1659) x1
Main Case Countershaft Bearing, Front (4308397) x2
Reverse Gear Idler Shaft Bearing (4308403) x2
Tapered Roller Bearing Set (4300902-BOX) x1
Bearing Set (4301851-BOX) x4
Rear Mainshaft Bearing Set (21356-BOX) x1
Bearing (4308452) x2
Bearing (5566508-BOX) x1
Ball Bearing (81504) x1
Snap Ring (14317) x2
Snap Ring (14750) x1
Snap Ring (16980) x1
Snap Ring (4301254) x1
Snap Ring (4303424) x1
Spring (14897) x3
Spring, Position Finder (15918) x3
Synchronizer Spring (14897) x3
Sliding Clutch (4304317) x1
Insert Valve (19974) x1
Gasket Kit K-2199 x1
Gasket Kit K-1783 x1
O-Ring Kit K-2804 x1
Oil Seal with Slinger K-2262 x1
Shim Kit K-2805 x1
Straight Connector (84005) x2
Elbow Connector (85003) x1
Sealant (71205) x1
Instruction Letters (L-1680, L-1895, L-3887, L-3987)
