This document provides a parts list and descriptions for an engine assembly of a Massey Ferguson MF 3640 combine. It lists 70 individual parts that make up the engine, including components like the cylinder block, crankshaft, pistons, connecting rods, cylinder head, valves, rocker shafts, lubricating oil pump, timing case, and timing gears. Each part is identified by number, description, and quantity required. Additional information may include part number, comments, and references to other documents.