This workshop service repair manual covers the Iveco C78 ENT, a robust diesel engine designed for demanding applications. Featuring a 7.8-liter displacement, turbocharged aspiration, and a common rail direct injection fuel system, this inline 6-cylinder engine is engineered for reliability and performance. Its water-cooled system and robust construction ensure durability in challenging environments. This manual provides comprehensive information for maintaining and servicing the C78 ENT engine platform. The purpose of this manual is to serve as a complete guide for all aspects of service and repair for the Iveco C78 ENT. It details A-Z service and repair procedures, covering everything from routine maintenance, such as oil and coolant capacities, to in-depth troubleshooting and technical specifications. This resource is intended for owners, mechanics, and technicians, offering the necessary knowledge to ensure the optimal performance and longevity of their Iveco C78 ENT engines.