The JCB JS220 Auto, manufactured under the Tier 3 emissions standard, represents a robust and reliable tracked excavator designed for demanding construction and earthmoving applications. This model, identified by serial numbers ranging from 1610000 to 1612499, is powered by an Isuzu AH-4HK1X diesel engine, a 5.2-liter unit delivering 118 kW (158 hp) of net power. Its hydrostatic transmission and substantial operating weight of 21,850 kg underscore its capability for heavy-duty tasks, including significant digging depths and reach. The engineering quality of the JS220 Auto is evident in its powerful hydraulic system, capable of high flow rates and operating pressures, ensuring efficient and precise operation. This comprehensive Workshop Repair Service Manual in English provides essential information for the maintenance and repair of your JCB JS220 Auto. It covers a wide range of topics, including detailed engine specifications, transmission and drivetrain information, hydraulic system components, undercarriage details, and operational dimensions. Crucially, it offers guidance on maintenance procedures, fluid capacities and recommendations, and performance metrics. This manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the longevity, optimal performance, and safe operation of their equipment through accurate and thorough service practices.