Major Overhaul Kit for Ford New Holland. Fits Ford Engine 256 Fits Models 655A, Tractor 555C, Tractor 5900, Tractor 655, Tractor 5610, Tractor Fuel Type Diesel Engine Specifications 256:BSD442 Naturally Aspirated, Stroke: 4.203″, Bore: 4.4007″, Fuel: Diesel, Cylinder: 4. 256Technical Notes for Ford 256 Engine parts for Ford Major Overhaul Kit Engine 256 # of Cylinders 4 Oversize Notes Oversized main, conecting rods bearings, piston rings, pistons and liners are available.