Tru Power Engine Kit For Turbocharged, Aftercooled Engines. 6-Cylinder Case CDC-B Series Non-Emission, 5.9 Liters. 6-Cylinder 5.9L Diesel. 4.0165 inch Standard Bore. Basic Engine Kit, 0.5mm Overbore, less bearings. Contains sleeves, pistons & rings, pins & retainers, pin bushings, complete gasket set, crankshaft seals. For Combine: 1640, 1644 Industrial Tractor: 680K, 680L, 780C, 780D, 8850 Tractor: 1896, 2096, 5130, 5140, 5230, 5240, 5250