This manual pertains to the JCB 540-170 Loadall, a versatile telescopic handler designed for demanding work environments. Engineered for robust performance and reliability, this machine features a powerful diesel engine, a hydrostatic powershift transmission with four forward and four reverse gears, and a 4WD drive system. Its impressive capabilities include a maximum lift height of 17.0 meters, a maximum reach of 13.3 meters, and a maximum load capacity of 4000 kg, making it an indispensable tool for construction, agriculture, and material handling. The vehicle also offers multiple steering modes, including front-wheel, four-wheel, and crab steer, enhancing its maneuverability in various operational settings. This comprehensive Service Repair Manual, written in English, covers serial numbers 1186000-1200999. It provides essential information for the maintenance, repair, and technical understanding of the JCB 540-170 Loadall. Key areas detailed within include engine specifications, transmission operation, fluid capacities, recommended service intervals, and safety guidelines related to its hydraulic disc braking system. This manual serves as a critical resource for owners, technicians, and mechanics, enabling them to perform routine maintenance, diagnose issues, and ensure the optimal performance and longevity of the equipment.