This workshop service repair manual provides comprehensive information for the Kubota 05 Series Diesel Engines. These engines are known for their robust engineering and reliability, designed for a wide range of industrial and agricultural applications. The manual covers multiple engine models within the 05 Series, including the D905, D1005, D1105, V1205, V1305, and V1505, with specific details for variants such as the D1005-E3B, D1105-E3B, D1305-E3B, D1105-T-E3B, V1505-E3B, and V1505-T-E3B. These liquid-cooled, direct injection diesel engines utilize compression ignition and are available in naturally aspirated and turbocharged configurations, offering efficient power delivery. The purpose of this English-language manual is to serve as an authoritative guide for maintaining and repairing the specified Kubota 05 Series diesel engines. It details essential procedures for various systems, including the engine body, lubricating system, cooling system, intake/exhaust system, fuel system, electrical system, and turbocharger system. Owners, mechanics, and technicians will find detailed technical specifications, troubleshooting guidance, and step-by-step servicing instructions to ensure optimal performance and longevity of their engines.