This workshop service manual covers the Hino W06D-TI diesel engine, a 5.759L, 4-cycle, 6-cylinder, in-line, water-cooled, direct injection, turbocharged engine. Engineered for reliability and robust performance, the W06D-TI is designed for demanding applications where consistent power and durability are paramount. This manual provides comprehensive information for understanding and maintaining this powerful engine. The scope of this manual encompasses detailed procedures and specifications essential for the proper upkeep and repair of the Hino W06D-TI engine. It includes sections on general information, engine systems, turbocharger, fuel injection, lubrication, cooling, intake, exhaust, and electrical equipment. Furthermore, it offers guidance on troubleshooting, engine tune-up, and dismounting/mounting procedures, equipping owners, technicians, and mechanics with the knowledge to ensure optimal engine operation and longevity.