This workshop service repair manual covers the Volvo Penta MD6A and MD7A marine diesel engines. These engines are engineered for reliable marine propulsion, designed to operate effectively within the demanding marine environment. Their robust construction and diesel fuel efficiency contribute to their reputation for dependable performance in various maritime applications. This comprehensive manual provides essential information for the maintenance, repair, and servicing of your Volvo Penta MD6A or MD7A engine. It details critical procedures, technical specifications, and operational guidelines necessary for ensuring optimal engine function and longevity. Owners, technicians, and mechanics will find this English-language resource invaluable for understanding and performing all necessary upkeep and diagnostic tasks.