This service repair workshop manual provides comprehensive instructions for the Hino RB145 W04D engine. It is designed for mechanics worldwide and covers all major topics necessary for repair and troubleshooting. The manual emphasizes the engineering quality and reliability of the Hino RB145 W04D engine, offering detailed guidance to ensure optimal performance and longevity. This manual serves as an essential resource for owners and service professionals alike. It includes step-by-step instructions, diagrams, illustrations, wiring schematics, and specifications for engine identification, general precautions, maintenance, special tools, engine body, fuel system, cooling system, electrical system, and more. By utilizing the accurate, clear, and concise information within, users can confidently perform maintenance, diagnostics, and repairs, saving time and money.