This workshop service repair manual covers the JCB 506C telescopic handler, designed for demanding material handling tasks. Built with JCB's renowned engineering, this machine offers robust performance and reliability. Key features include a powerful diesel engine, a versatile Powershift transmission, and a 4WD system for excellent maneuverability. The 506C is capable of reaching a maximum lift height of 6.0 meters, extending to a maximum reach of 3.3 meters, and handling loads up to 5000 kg, making it an indispensable tool for construction, agriculture, and industrial applications. Serial numbers from 579781 are covered by this documentation. This comprehensive manual provides essential information for the maintenance, repair, and servicing of your JCB 506C. It details critical procedures for the engine, transmission, hydraulics, and chassis, along with technical specifications and safety guidelines. Whether you are an owner performing routine checks or a technician undertaking complex repairs, this guide offers the in-depth knowledge required to keep your telescopic handler operating at peak efficiency and safety. Refer to this manual for specific service intervals, fluid capacities, and troubleshooting guidance.