This manual covers Mitsubishi FD Series Forklift Trucks, specifically models FD100N, FD120N, FD135N, FD150AN, and FD160AN. These heavy-duty pneumatic tire forklift trucks are engineered for demanding industrial material handling, offering lifting capacities from 10,000 to 16,000 lbs. They are powered by the robust Mitsubishi 6M60 diesel engine, featuring an electronically controlled fuel system for optimal performance and emissions. Mitsubishi Forklift Trucks are globally recognized for their durability and reliability, and the FD series exemplifies their commitment to powerful and efficient solutions in the heavy-duty sector. This comprehensive service repair workshop manual provides detailed information for mechanics, technicians, and owner-operators. It covers all essential systems, including the engine, cooling, electrical, powertrain, transmission, axles, brakes, steering, and hydraulic systems, as well as masts, forks, and fork positioners. The manual offers in-depth troubleshooting procedures, diagnostic guidance, and step-by-step repair and maintenance instructions, complete with high-quality diagrams and technical specifications. Its purpose is to empower users to perform their own maintenance and repairs, saving time and money while ensuring the longevity and safe operation of their equipment.