This service repair manual covers the Kubota 03-M-E2B engine, an inline 4-cylinder, turbocharged diesel engine with a displacement of 2.6 liters. This engine is utilized in Hyundai Forklift models HDF15-18, specifically for the -5 Series. Known for its robust engineering and reliability, the 03-M-E2B is designed for demanding industrial applications, providing efficient power and performance for material handling operations. This comprehensive manual is provided in English and details essential information for maintaining and repairing the specified engine. It includes sections on engine identification, general precautions, special tools, engine body, cooling system, fuel system, electrical system, turbocharger system, and troubleshooting. Furthermore, it covers scheduled maintenance, check and maintenance procedures, servicing specifications, and tightening torques, ensuring that owners and technicians have the necessary resources to keep the Hyundai Forklift operating optimally.