This workshop service manual covers the International VT365, a V8 diesel engine with a 6.0-liter displacement. Engineered for robust performance, this engine features a high-pressure common rail fuel system and a variable geometry turbocharger, delivering an estimated power output of 200-300 HP and torque ranging from 500-700 lb-ft, depending on application. Its liquid-cooled design and robust construction are indicative of its focus on reliability and durability in demanding environments. This comprehensive manual is designed for professional technicians and provides detailed information essential for the maintenance, diagnosis, and repair of the VT365 engine. It includes critical technical specifications, diagnostic procedures requiring specialized tools, and guidance on lubrication and cooling systems. By following the procedures outlined within, owners and technicians can ensure optimal performance and longevity of the engine.