This manual covers the Volvo Penta MD6A and MD7A marine diesel engines. These engines are known for their robust construction and reliable performance, making them a trusted choice for various marine applications. The MD6A produces 10 horsepower, while the MD7A offers 13 horsepower, both featuring a direct injection fuel system and pressure lubrication. Their design prioritizes durability and efficient operation in demanding marine environments.

The purpose of this comprehensive Service/Shop Manual is to provide detailed information for the maintenance, repair, and troubleshooting of the Volvo Penta MD6A and MD7A engines. It includes essential technical specifications, detailed repair instructions and methods, information on special tools, and wiring diagrams for both the engine and instrument panel. This manual is an indispensable resource for owners, mechanics, and technicians to ensure the optimal performance and longevity of these marine diesel engines.