This workshop service repair manual covers Komatsu FG and FD series forklift trucks, including models FG10/15/18-20, FG15H/18H-20, FG20/25-16, FG30/35A-16, FG20H/25H-16, FG20N/25N-16, FG30N-16, FD10/15/18-20, FD20/25-16, FD30-16, FD20H/25H-16, and FD30H/35A-16, with specific serial number ranges indicated. Komatsu forklifts are recognized for their durability and reliability in industrial applications. These machines are engineered for demanding operational environments, with FG series typically featuring pneumatic tires and FD series utilizing solid or cushion tires, catering to diverse work conditions. The manual provides comprehensive technical information for these robust machines. This manual serves as an essential resource for maintaining and repairing your Komatsu forklift. It details procedures for engine, transmission, powertrain, hydraulic, chassis, steering, and brake systems, including disassembly, assembly, and overhaul. Electrical system diagrams and troubleshooting guidance are also provided. Furthermore, the manual includes specifications for fluids, lubrication, and standard tightening torques, along with general maintenance guidelines and information on common wear items. Its well-structured content and high-definition diagrams are designed to assist professional mechanics, service technicians, and owner-operators in ensuring optimal performance and longevity of the equipment.