This workshop manual provides comprehensive service information for 05 Series Diesel Engines, including models D905-B, D1005-B, D1105, D1105-T-B, V1205-B, V1305-B, V1505, and V1505-T-B, as well as the E3B variants. These engines are engineered for reliability and performance, suitable for a wide range of industrial and agricultural applications. The manual covers essential maintenance, service, diagnosis, and repair procedures for these robust diesel powerplants. The scope of this English-language manual encompasses detailed procedures for the engine body, lubricating system, cooling system, intake/exhaust system, fuel system, electrical system, and turbocharger system. It includes step-by-step instructions, exploded views, and diagrams to guide users through basic maintenance to complete engine rebuilds. This resource is designed to assist owners, mechanics, and technicians in ensuring the correct and efficient upkeep and repair of their 05 Series diesel engines.