This workshop service and repair manual covers the DEUTZ BFM 1012 and BFM 1013 series diesel engines. It details the 3.192L BF4M 1012/E, 4.764L BF4M 1013/E, 4.788L BF6M 1012/E, and 7.146L BF6M 1013/E variants, all of which are 4-stroke direct injection diesel engines. These engines are known for their robust construction and reliable performance, making them suitable for a wide range of demanding applications. This comprehensive manual provides essential information for the maintenance, servicing, and repair of these DEUTZ engines. It includes detailed specifications, adjustment procedures, valve clearance settings, and step-by-step instructions for component repair, including the cylinder, piston, crankcase, crankshaft, injection pump, and injector. The manual also covers engine disassembly and assembly, along with a list of commercial and special tools required for service, ensuring that technicians and owners can effectively maintain the longevity and operational efficiency of their engines.