The Sumitomo SH120-3 is a robust hydraulic excavator designed for efficient performance in a variety of construction and excavation applications. This model features a BB-4BG1T engine with a displacement of 264.2 cubic inches, delivering a net power output of 90 horsepower (67 kW) at 2100 rpm. The operating weight is 26,455.5 pounds, ensuring stability and power during operation. The excavator is equipped with a reference bucket capacity of 0.7 cubic yards, suitable for a wide range of digging and loading tasks. Key dimensions include a maximum cutting height of 30.1 feet, a maximum digging depth of 18.2 feet, and a maximum loading height of 22.2 feet. The maximum reach along the ground is 27.2 feet, while the maximum vertical wall digging depth is 16.3 feet. The shipping height of the unit is 9 feet, and the shipping length is 24.6 feet, making it relatively compact for transport. The ground clearance is 1.5 feet, and the height to the top of the cab is 9 feet. The length of the track on the ground is 9.2 feet, with a removal counterweight clearance of 3 feet and a tail swing radius of 6.8 feet. The width to the outside of the tracks is 8.2 feet. The hydraulic system has a fluid capacity of 32.5 gallons and a relief valve pressure of 4974.8 psi, ensuring reliable and powerful hydraulic performance. The fuel capacity is 66.1 gallons, providing extended operational time between refueling. The swing mechanism operates at a speed of 13.4 rpm, allowing for smooth and efficient rotation. The undercarriage features a ground pressure of 5.6 psi, a maximum travel speed of 3.5 mph (5 kph), a shoe size of 19.7 inches, and a track gauge of 6.6 feet, contributing to excellent traction and maneuverability on various terrains.