This document provides a list of parts and their descriptions for the engine and related systems of Massey Ferguson 6235/6245/6255 tractors. It includes over 50 line items grouped into sections for the cylinder block, crankshaft, cylinder head, rocker shaft, air induction and exhaust system, and turbocharger. Each item lists the part number, quantity, description, and any comments. This extensive parts list details all of the major engine components and related systems for servicing and repair.