This workshop service repair manual covers the Iveco N45 and N67 (N Series) engines, which are robust internal combustion diesel engines designed for automotive, industrial, and agricultural applications. These engines are available in 4.5-liter and 6.7-liter displacements, offering reliable performance and durability for a wide range of demanding tasks. The N Series engines are engineered to meet rigorous operational standards, ensuring consistent power output and longevity in their intended environments. This comprehensive English-language manual provides detailed information essential for the maintenance and repair of your Iveco N Series engine. It includes routine and preventive maintenance schedules, specific diesel engine oil type recommendations, detailed inspection procedures, and information on oil capacity relevant to each engine model. The manual is designed to assist owners, mechanics, and technicians in keeping the engine in optimal working condition, ensuring its continued reliability and performance across all its applications.