This service manual covers the Hino RB145 W04D Engine. It is designed to provide comprehensive technical information for the repair and maintenance of this engine. The manual offers detailed procedures, specifications, and guidance to ensure the proper functioning and longevity of the Hino RB145 W04D Engine. This manual serves as an essential resource for mechanics and technicians, detailing removal, installation, disassembly, assembly, adjustment, and troubleshooting procedures. It includes special notes, precautions, and factory specifications to assist in performing accurate and safe repairs. By following the instructions within this manual, users can effectively maintain and service the Hino RB145 W04D Engine, ensuring optimal performance and reliability.