This manual covers the Volvo Penta MD11C, MD11D, MD17C, and MD17D series diesel engines. These engines are known for their robust engineering and reliability, designed for demanding marine applications. The comprehensive nature of these engines ensures dependable performance across various operational conditions, making them a trusted choice for boat owners and operators. The Volvo Penta MD11C, MD11D, MD17C, MD17D Service Repair Workshop Manual provides detailed instructions for maintenance, repair, and overhaul. It includes essential information on engine specifications, troubleshooting procedures with fault-finding charts and wiring diagrams, and step-by-step guidance for component service, including the cylinder head, fuel injection pump, oil pump, sea water pump, crankshaft, camshaft, and pistons/liners. This manual is an indispensable resource for owners, mechanics, and technicians seeking to maintain their engines in optimal working condition.