This service manual covers the Hino W04C-T Engine, designed for professional technicians and individuals with a foundational understanding of mechanical and electrical systems. It provides comprehensive data to assist in the repair and maintenance of this engine. The manual aims to equip users with the knowledge necessary to perform essential procedures, ensuring the continued optimal performance and longevity of the Hino W04C-T Engine. The purpose of this manual is to serve as a detailed reference for maintaining and repairing the Hino W04C-T Engine. It encompasses step-by-step repair procedures, critical specifications, maintenance schedules, and disassembly and assembly instructions. By following the guidance within this manual, owners and technicians can effectively address repair needs and make informed decisions regarding the upkeep of their Hino W04C-T Engine.