This comprehensive service manual covers the Hino J05C-TD and J08C-TP diesel engines. The J05C-TD is a 5.3L engine producing 168 horsepower, while the J08C-TP is an 8.0L engine delivering 200 horsepower. These engines are engineered for robust performance and reliability, suitable for a variety of demanding applications where durability and efficiency are paramount. Their design emphasizes straightforward maintenance and long service life, making them a dependable choice for commercial and industrial use. This manual provides detailed information essential for the proper maintenance, repair, and servicing of your Hino diesel engine. It includes in-depth procedures, technical specifications, troubleshooting guides, and important safety precautions. Whether you are a professional technician or an owner performing routine maintenance, this manual will serve as an invaluable resource to ensure your engine operates at peak performance and longevity.