Bore: 4.56 in (116mm)
This engine rebuild kit includes a "High Ring" Piston. This design is used in engines below 185 HP. It effectively replaces OE Piston numbers RE57512, RE25652 and RE50868
Pin Diameter: 1.875 in (47mm)
Block marked: R122729
Piston marked: RE60294
Connecting rod marked: R71074
6076AFM30
6076TRW30
6068TRW08
Agricultural: 1185 Combine, 2066 Combine, 4055, 4255, 4455, 4555, 4560, 4755, 4760, 7700, 7800, 8100, 8200, 8300, 9500 Combines, 9600 Combines, 9960, 9965 Combines
Construction: 644E, 644ER, 644G, 644GH, 740E, 740G, 748E, 748G ,770B ,770BH, 772B, 772BH, 792D, 792LC, 850C
Early Gasket Set RG27878 fits John Deere 4055, 4255, 4455, 4555, 4560, 4755, 4760, 4955, 4960, 8560, Industrial 644E, 740E, 740G, 748E, 748G, 8560 to engine s/n 500,000
Late Gasket Set RG27881 fits John Deere 7700, 7800, 8570, 8100, 8200, 8300, Industrial 644G, 770B, 772B, 792D, 850C, 892E
Inframe Kit Includes:
(6) Cylinder Kits (Piston, Liner, Piston Rings, Piston Pin, Pin Retainers)
(6) Rod Bearing Pairs
(1) Main Bearing Set
(1) Head Gasket Set
(1) Oil Pan Gasket*
(12) Rod Bolts
Overhaul Kit Includes:
(6) Cylinder Kits (Piston, Liner, Piston Rings, Piston Pin, Pin Retainers)
(6) Rod Bearing Pairs
(1) Main Bearing Set
(1) Overhaul Gasket Set*
(12) Rod Bolts
(1) Fuel System Grommet Set
(1) Rear Crankshaft Seal
(1) Front Crankshaft Seal
(6) Piston Pin Bushings
(4) Camshaft Bearings
(1) Camshaft Cup Plug
*R520844 is a metal/rubber oil pan gasket, that is used on the applications were the oil pan is part of the frame. It is not included in the full gasket or the overhaul kits. Sold separately.