Tru Power Engine Kit. 4-Cylinder Diesel, 256 CID, 4.4 inch Standard Bore. Engine Overhaul Kit. Contains standard pistons & rings, complete gasket set, pin bushings, cam bearings, intake & exhaust valves, springs, valve keys.Standard rod & main bearings. For 5600 Tractors (10/1980-1981) 5700 Tractors (10/1980-1981) 6600 Tractors (1975-9/1980) 6700 Tractors (1975-9/1980).
