This service repair manual provides comprehensive information for the JCB Robot 150, Robot 165, and Robot 165HF skid steer loaders, with serial numbers from 678000 onwards. These machines are engineered for demanding work environments, offering robust performance and reliability. The JCB brand is synonymous with quality construction equipment, and these models exemplify that commitment through their durable design and efficient operation, making them ideal for a wide range of industrial and construction applications. The purpose of this manual is to serve as an authoritative guide for the maintenance, repair, and servicing of your JCB skid steer loader. It covers essential areas including general information, care and safety protocols, routine maintenance schedules, and detailed procedures for attachments, body and framework, electrics, controls, hydraulics, transmission, brakes, and the engine. With clear instructions and diagrams, this manual is an indispensable resource for owners, technicians, and mechanics to ensure the longevity and optimal performance of their equipment.