This Service Repair Manual covers the Toyota 8FG, 8FD, 8FGK, 8FGJ, 8FDK, and 8FDJ series forklift trucks. These robust machines are engineered for reliability and performance in demanding material handling environments, featuring internal combustion engines (Gas/LPG for 8FG series, Diesel for 8FD series) from Toyota's renowned 1DZ, 5K, 1FZ, 1DZ-II, 14Z, and 13Z engine families. The forklifts are equipped with automatic torque converter transmissions, hydrostatic power steering, and advanced safety systems such as SAS (System of Active Stability) and OPS (Operator Presence System). Various mast types, including Standard, Duplex, and Triplex, are available, supported by a hydraulic lift system. Controls are designed for precision, with options for mini levers or joysticks, and a Multifunction Display is available for enhanced operator information. This comprehensive manual provides detailed information essential for the maintenance, repair, and servicing of your Toyota forklift. It includes in-depth coverage of general maintenance, engine servicing, clutch, transmission, axles, steering, and brake systems. Diagnostic procedures for the electrical system, along with wiring diagrams, are thoroughly explained. The manual also details troubleshooting steps, lists special service tools (SST), and provides technical specifications for various models, including the 8FG10 through 8FG30, 8FD10 through 8FD30, and their respective K, J, and DK variations. This resource is designed to assist owners, mechanics, and technicians in ensuring the optimal performance and longevity of their equipment.