This service repair manual provides comprehensive information for the Kubota 03-M-E2B engine, a diesel engine with a turbocharger system designed for use in Hyundai Fork Lift (HDF15-18, -5 Series) applications. The Kubota 03-M-E2B engine is engineered for reliability and performance, ensuring efficient operation in demanding industrial environments. This manual details the engine's components and systems, offering insights into its robust construction and operational capabilities. The purpose of this English-language manual is to serve as a definitive guide for maintaining and repairing the Kubota 03-M-E2B engine. It covers essential areas including engine identification, general precautions, special tools, engine body, cooling system, fuel system, electrical system, and troubleshooting. Detailed maintenance procedures, servicing specifications, tightening torques, and disassembly instructions are included to assist owners, mechanics, and technicians in performing all necessary service operations accurately and efficiently.