This manual covers the Hyundai F4GE N Series F4G Tier 3 diesel engines, specifically models F4GE9484F*J608 and F4GE9454J*J604. These engines are designed for robust performance and reliability in various heavy-duty applications, including Hyundai Machines, Kobelco Machines, excavators, IVECO vehicles, and the CASE 440CT Skidsteer. Engineered to meet Tier 3 emission standards, these liquid-cooled, turbocharged, and inter-cooled engines feature an Exhaust Gas Recirculation (EGR) system and an Oil Vapour Recirculating System for efficient operation. This comprehensive Service/Repair/Technical Manual in English provides essential information for maintaining and repairing your Hyundai engine. It details general specifications, fuel requirements, agricultural applications, overhaul procedures, and the specific tools needed for service. Furthermore, the manual includes in-depth sections on the cooling system, air induction, exhaust gas recirculation, lubrication system, and safety prescriptions, ensuring that owners, mechanics, and technicians have the knowledge to keep these powerful engines operating optimally.