This manual covers the Volvo Penta TAMD72WJ-A marine diesel engine. This inline 6-cylinder engine features turbocharging and intercooling, delivering 380 horsepower at 2300 RPM with a displacement of 5.48 liters. Designed for marine applications, it offers robust performance and reliability, suitable for various vessel types requiring dependable power. The engine utilizes raw water or freshwater cooling systems and is paired with a marine gearbox. This Workshop Service Manual (WSM) in English provides comprehensive guidance for the maintenance and repair of the Volvo Penta TAMD72WJ-A. It details all services and repairs, including routine maintenance procedures, lubrication specifications, and troubleshooting. With step-by-step instructions, pictures, and wiring diagrams, this manual is an essential resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of their engine.