This manual covers the Hino W06D-TIl Engine, providing comprehensive details for its repair, maintenance, and restoration. Designed with the same information used by professional technicians, this resource ensures that all diagnostic and repair procedures are thoroughly explained. It is intended for both professional mechanics and individuals performing their own maintenance and repairs on the Hino W06D-TIl Engine, offering extensive guidance for all aspects of engine care. The scope of this full service repair manual is extensive, encompassing detailed sub-steps for repair procedures, critical notes, cautions, and warnings. It guides users through every step with numbered instructions and detailed illustrations, drawings, and photos. The manual also integrates troubleshooting and electrical service procedures with wiring diagrams, making it an invaluable tool for diagnosing and repairing engine and electrical system issues.