This manual covers Volvo Penta MD6A and MD7A marine diesel engines. These engines are engineered for reliability and performance in marine applications. This comprehensive guide provides detailed information to ensure optimal operation and longevity of your Volvo Penta power unit. This Factory Service/Repair/Workshop Manual in English offers extensive coverage for your Volvo Penta MD6A and MD7A engines. It details all repair procedures, including the engine block, lubricating system, fuel system, cooling system, electrical system, and reverse gear. Additionally, it lists special tools required for maintenance and repair, making it an indispensable resource for owners and technicians alike.