The JCB JS175W is an Auto Wheeled Excavator designed for demanding work environments, built with robust engineering for exceptional reliability. This model, identified by serial numbers 1235500 and onwards, features a powerful Cummins QSB6.7 turbocharged diesel engine, delivering 125 kW (168 hp) and 780 Nm (575 lb-ft) of torque. Its hydrostatic transmission and 4x4 drive axles provide excellent maneuverability and traction, while its substantial operating weight of approximately 18,500 kg underscores its capability for heavy-duty applications. With a maximum digging depth of 5.73 meters and a reach of 8.82 meters, the JS175W is engineered for efficiency and performance across a wide range of construction and earthmoving tasks. This Workshop Repair Service Manual provides comprehensive guidance for the JCB JS175W. It covers essential maintenance procedures, including fluid capacities for engine oil, hydraulic oil, and coolant, alongside detailed troubleshooting steps and technical specifications. The manual is written in English and is intended to assist owners, mechanics, and technicians in performing routine servicing, diagnostics, and repairs. By detailing critical aspects such as engine performance, hydraulic system flow rates, and machine dimensions, this resource ensures the optimal upkeep and longevity of your Auto Wheeled Excavator.