This manual covers the Mitsubishi 4D68 engine, a 1.8L (1835 cc) naturally aspirated, indirect injection diesel engine. Known for its robust cast iron block and aluminum alloy cylinder head, this 4-cylinder engine features 2 valves per cylinder and utilizes compression ignition. While specific horsepower varies by application, it typically ranges around 60-70 hp. The engine is water-cooled and designed for reliability and efficient operation in various vehicle applications. This comprehensive Service Repair Workshop Manual in English provides detailed information essential for the maintenance and repair of the Mitsubishi 4D68 engine. It covers critical procedures, technical specifications, and essential guidelines to ensure optimal performance and longevity. Owners, mechanics, and technicians will find valuable insights into engine specifications, fluid capacities, recommended maintenance intervals for items like oil changes and timing belt replacement, and other technical data necessary for effective upkeep and troubleshooting.