This workshop manual covers the Iveco N Series engine, specifically variants such as the F4GE N SERIES F4G TIER 3. Designed for demanding industrial and agricultural applications, these diesel engines feature a mechanical injection system and meet Tier 3 emission standards. Iveco engines are recognized for their robust engineering and reliable performance in challenging operational environments. This manual provides comprehensive information to ensure the optimal functioning and longevity of your Iveco N Series engine. The purpose of this English-language workshop manual is to serve as an authoritative resource for maintaining and repairing the Iveco N Series engine. It details essential procedures, including inspection schedules and recommended service practices. Technicians and owners will find detailed technical specifications, troubleshooting guidance, and operational insights necessary for effective vehicle upkeep. By following the information presented, users can ensure the continued efficiency and reliability of their Iveco engines.