This manual pertains to the Volvo Penta TAMD72WJ-A, a marine engine designed for robust performance and reliability in demanding aquatic environments. As a turbocharged, aftercooled, diesel engine, it is engineered to deliver consistent power output suitable for a range of maritime applications. While specific production years are not detailed, the engine's series suggests a focus on durable construction and efficient operation, making it a dependable choice for boat owners and operators seeking quality marine propulsion. The purpose of this workshop service manual is to provide comprehensive guidance for the maintenance, repair, and troubleshooting of the Volvo Penta TAMD72WJ-A marine engine. It covers essential procedures, including routine maintenance schedules, fluid capacities, overhaul instructions, and diagnostic information. Technicians and owners will find detailed explanations and technical specifications designed to ensure the engine's optimal performance and longevity, facilitating effective upkeep and problem resolution.