This Service Manual / Workshop Repair Manual covers JCB telescopic handlers, specifically models 520-55, 526, 526S, and 526-55. These machines are engineered for demanding work environments, offering robust performance and reliability. While specific production years are not detailed, the manual provides comprehensive information to ensure these versatile machines operate at peak efficiency. This extensive English-language manual, comprising hundreds of printable pages, is designed to be an indispensable resource for owners, mechanics, and technicians. It meticulously details general information, care and safety protocols, routine maintenance schedules, and in-depth procedures for the engine, hydraulics, transmission, brakes, and bodywork. Furthermore, it includes sections on attachments, diagnosis and testing, troubleshooting, removal and installation, disassembly and assembly, and wiring diagrams, enabling effective maintenance and repair.