This workshop manual covers the Volvo Penta TAMD61A and TAMD62A marine diesel engines. These in-line 6-cylinder engines are turbocharged and intercooled, offering robust performance for demanding marine applications. With a displacement of approximately 5.48 liters, the TAMD61A delivers up to 165 kW (221 hp) and the TAMD62A up to 185 kW (248 hp) at a typical rated speed of 2500 RPM. Engineered for reliability and efficiency, these engines are designed to provide dependable power for a variety of vessel types. This comprehensive service manual provides detailed information essential for the maintenance, repair, and troubleshooting of your Volvo Penta engines. It includes step-by-step instructions, clear diagrams, illustrations, and wiring schematics covering critical systems such as fuel, intake and exhaust, cooling, lubrication, and the electrical system. Designed for mechanics, owners with basic mechanical skills, and independent service professionals, this manual will assist in ensuring optimal performance and longevity of your TAMD61A or TAMD62A engines.