This workshop repair manual covers the Volvo Penta MD6A and MD7A marine diesel engines. These engines are known for their robust construction and reliable performance in demanding marine environments. Designed for auxiliary power on various vessels, they represent a commitment to durability and efficient operation, making them a trusted choice for boat owners and operators. This comprehensive English-language manual, spanning nearly 50 pages, provides essential information for the maintenance, repair, and troubleshooting of the MD6A and MD7A models. It includes detailed procedures, technical specifications, and guidance on special tools required for servicing. This resource is invaluable for owners, technicians, and mechanics seeking to ensure the optimal performance and longevity of their Volvo Penta marine diesel engines.