The JCB 508C Telescopic Handler, identified by serial numbers from 579569, is a robust piece of equipment engineered for demanding work environments. This diesel-powered machine features a hydrostatic transmission, providing variable gear selection for optimal control. With an approximate operating weight of 7,500 kg, it boasts a maximum lift capacity of 8,000 kg, a maximum reach of 4.0 meters, and a maximum lift height of 5.0 meters. Its dimensions, approximately 6.0 meters in length, 2.4 meters in width, and 2.5 meters in height, along with 4WD capability and multiple steering modes (2-wheel, 4-wheel, and crab steer), make it a versatile and powerful tool for various industrial and construction applications. Safety is paramount, with integrated ROPS and FOPS for operator protection. This Workshop Service Repair Manual provides comprehensive guidance for the JCB 508C Telescopic Handler. It covers essential maintenance schedules, including engine oil change intervals and fluid capacities for engine oil, hydraulic oil, and fuel. Detailed technical specifications, troubleshooting procedures, and safety guidelines are included to ensure the vehicle operates efficiently and reliably. This manual is an indispensable resource for owners, mechanics, and technicians, offering the necessary information to perform routine maintenance, diagnostics, and repairs, thereby extending the operational life and performance of the equipment.