This workshop service repair manual covers the Volvo TAD1641VE, a powerful diesel engine designed for demanding applications. Featuring an inline 6-cylinder configuration with a displacement of 16.1 liters, this engine is engineered for robust performance and reliability. Its advanced Electronic Unit Injector (EUI) fuel system and water-cooled design contribute to its efficiency and durability. The engine's specifications, including a bore of 145 mm and a stroke of 165 mm, along with a compression ratio of 17.5:1, highlight its high-performance capabilities, delivering up to 550 HP and 2500 Nm of torque depending on the specific application. This comprehensive English-language manual provides essential information for the service, maintenance, and troubleshooting of the Volvo TAD1641VE engine. It is designed to assist owners, mechanics, and technicians in understanding and performing necessary upkeep and repairs. The manual details critical procedures and technical specifications, ensuring that the engine operates at its optimal performance and longevity. By following the guidelines within this document, users can effectively manage the engine's maintenance schedule and address any operational issues that may arise.