This Service Repair Workshop Manual covers the Sumitomo SH200-3, SH200GT-3, and SH220-3 models, part of the Generation 3 series. These excavators are engineered for robust performance and reliability, featuring a diesel engine with a common rail injection system and a water-cooled, hydrostatic transmission. With an operating weight of approximately 20-22 tons for the SH200-3 and SH200GT-3, these machines are designed for demanding construction and earthmoving applications. The manual provides comprehensive information to ensure optimal operation and longevity of your Sumitomo equipment. This English-language manual is designed to be an indispensable resource for owners, mechanics, and technicians. It details essential maintenance procedures, including lubrication and service intervals, alongside in-depth troubleshooting guidance. Technical specifications for the engine, hydraulic system, and electrical components are provided, along with information on capacities and undercarriage details. The manual includes zoomable illustrations, component explosions, and exploded views to facilitate clear understanding and accurate repair work, offering free support for any queries.