This manual covers the Mitsubishi 4M41 Engine, a robust inline 4-cylinder diesel engine known for its turbocharged and intercooled design. Featuring Common Rail Direct Injection (CRDI) technology, this engine delivers impressive power and torque outputs, varying by application but generally ranging from 160-200 HP and 350-450 Nm. Its engineering prioritizes reliability and efficiency, making it a capable choice for various automotive applications. The engine's specifications include a 3.2 L (3200 cc) displacement, a bore and stroke of 98.5 mm x 107 mm, and a compression ratio of 17.0:1, supported by a DOHC 16-valve train. This Service Repair Workshop Manual provides comprehensive guidance for the maintenance and repair of the Mitsubishi 4M41 Engine. It details essential procedures, including lubrication requirements with a recommended diesel engine oil type and an oil capacity of approximately 8.2 liters, as well as scheduled maintenance intervals for components like air and fuel filters. Technical specifications, troubleshooting information, and safety guidelines are also included to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of the engine.