This workshop repair manual covers the DEUTZ 912 and 913 series engines. These engines are known for their robust construction and reliable performance, making them suitable for a wide range of industrial and agricultural applications. The engineering behind the DEUTZ 912/913 series emphasizes durability and efficiency, ensuring consistent operation under demanding conditions. This manual provides comprehensive guidance for the maintenance, repair, and servicing of your DEUTZ engine. It includes detailed procedures for engine dismantling and re-assembly, as well as in-depth sections on critical systems such as the cylinder unit, crankshaft, camshaft, crankcase, fuel injector system, and electrical system. Additionally, information on turbocharging, auxiliaries, blower and flywheel ends, special tools, and general checking and settings are covered to assist owners, mechanics, and technicians in keeping the engine in optimal working order.