This service repair manual covers the Iveco CURSOR C13 ENT M77, a diesel marine engine designed for marine applications. Engineered for reliability and performance, this engine represents a robust solution for demanding maritime operations. Its advanced diesel technology ensures efficient power delivery and dependable service, making it a preferred choice for various marine vessels. This comprehensive manual provides detailed information essential for the maintenance, repair, and operation of your Iveco CURSOR C13 ENT M77. It includes general information, technical specifications, maintenance schedules, and in-depth procedures for all major systems, including the engine, fuel system, lubrication, cooling, and electrical components. Troubleshooting guides and wiring diagrams are also included to assist owners, mechanics, and technicians in efficiently diagnosing and resolving any issues, ensuring the longevity and optimal performance of the marine engine.