The Sumitomo SH220-2 is a robust hydraulic excavator engineered for demanding construction and excavation tasks. This model features a turbocharged Isuzu A-6BG1T engine with a displacement of 396.3 cubic inches, delivering a net power output of 153 horsepower (114 kW) at 2,150 rpm and a maximum torque of 397.6 lb-ft at 1,700 rpm. The excavator is equipped with a 24-volt electrical system and a 25-amp alternator, ensuring reliable operation. With an operating weight of 50,706.4 lbs and a ground pressure of 7.3 psi, the SH220-2 offers excellent stability and traction on various terrains. The hydraulic system provides a pump flow capacity of 112.1 gallons per minute and a relief valve pressure of 4,978.2 psi, supporting powerful and precise digging performance. The machine’s swing speed reaches 10.4 rpm, and its maximum travel speed is 3.5 mph (5 kph). The undercarriage features 7 track rollers and 2 carrier rollers per side, with 47 shoes per side and a shoe size of 23.7 inches, ensuring durability and efficient ground contact. The SH220-2 offers multiple boom and stick configurations, with maximum cutting heights ranging from 30.6 ft to 32.7 ft, digging depths from 20.8 ft to 24.3 ft, and maximum reach along the ground up to 35.6 ft. The bucket capacity ranges from 1.1 to 1.9 cubic yards, with a reference capacity of 1.4 cubic yards. The excavator’s dimensions include a height to the top of the cab of 9.6 ft, a length of track on the ground of 11.4 ft, and a width to the outside of the tracks of 9.9 ft. Fluid capacities include 81.9 gallons for fuel, 52.9 gallons for hydraulic fluid, 7.2 gallons for the cooling system, and 6.7 gallons for engine oil.