This workshop service repair manual covers the Volvo Penta TAMD71A and TAMD71B marine diesel engines. These inline 6-cylinder engines are known for their robust cast iron construction, direct injection, and turbocharged, aftercooled design, delivering reliable power output suitable for demanding marine applications. The TAMD71A typically offers approximately 285 hp, while the TAMD71B provides around 305 hp, with specific torque values detailed within the manual. Engineered for the marine environment, these engines feature a closed cooling system and integrated reverse gear, ensuring durability and performance. This comprehensive English-language manual is designed for both do-it-yourself enthusiasts and experienced mechanics. It provides hundreds of pages of detailed information, including hundreds of photos and illustrations, to guide users through all aspects of maintenance and repair. Key areas covered include advanced troubleshooting, detailed wiring diagrams, electrical service procedures, and specific maintenance schedules for lubrication and filter replacement. The manual also details technical specifications, special tools required, and information on the engine's components, ensuring owners and technicians have the resources needed to keep their Volvo Penta engines operating optimally.