This manual covers engines, specifically the DT466, DT466E, DT530, DT530E, and HT530 models manufactured between 2000 and 2008. These diesel engines are known for their robust engineering and reliability, making them a popular choice for a wide range of demanding applications. The DT466 features a 7.6L displacement, while the DT530 and HT530 models offer 8.7L displacement, both utilizing advanced diesel technology to deliver consistent performance. This comprehensive Service Repair Workshop Manual provides essential information for the maintenance, repair, and diagnosis of these engines. It includes detailed sections on safety information, engine specifications, torque values, special tools, and step-by-step procedures for various components such as turbochargers, cylinder heads, crankshafts, and fuel systems. The manual is designed to assist owners, mechanics, and technicians in understanding and effectively servicing the engines, ensuring optimal operation and longevity.