This manual covers the Mitsubishi TB45 Gasoline Engine used in FG40N/NF-FG55N/NF Forklift Trucks. These forklifts are engineered for demanding industrial applications, emphasizing reliability and efficient operation. The TB45 gasoline engine provides robust power and performance, designed to meet the rigorous needs of material handling environments. This comprehensive workshop service repair manual provides detailed instructions and diagrams for servicing and repairing your Mitsubishi forklift. It covers various aspects of the TB45 gasoline engine, including general information, tune-up procedures, engine mechanical components, lubrication, cooling system, engine control, and the electrical system. This manual is an essential resource for owners and technicians to ensure optimal performance and longevity of the equipment.