This manual provides detailed technical specifications and repair instructions for the IVECO Euro 4 CURSOR engines, including models C78, C10, and C13. It includes comprehensive procedures for diagnosing, troubleshooting, and repairing engine components such as the fuel system, turbocharger, and emissions controls. The manual also covers engine disassembly and reassembly, routine maintenance schedules, and service guidelines. This document is essential for mechanics and technicians to ensure the efficient operation and maintenance of these engines, ensuring compliance with Euro 4 emissions standards.