This manual covers the Nissan Forklift Internal Combustion F04 Series, designed for robust industrial applications. Renowned for their engineering quality and reliability, these forklifts are built to handle demanding tasks efficiently. The F04 Series embodies Nissan Forklift's commitment to providing durable and dependable equipment for various operational needs. This comprehensive service repair manual provides detailed illustrations and step-by-step instructions for maintenance and repair procedures. It covers essential systems including the cooling, electrical, power train, transmission, differential, axles, brakes, steering, and hydraulic systems, as well as the mast and forks. Additionally, it includes in-depth coverage for specific engine variants such as the Gas/LPG TB45, Gas/LPG GM 4.3L, and Diesel S6S engines, detailing their tune-up, mechanical, lubrication, cooling, fuel, and electrical systems. This manual is an invaluable resource for owners, mechanics, and technicians to ensure optimal performance and longevity of the Nissan Forklift Internal Combustion F04 Series.