KOMATSU PC220-7 CRAWLER EXCAVATOR

Technical Description

The Komatsu PC220-7 is a high-performance crawler excavator engineered for maximum productivity and efficiency in demanding construction and excavation environments. Powered by a Komatsu SAA6D102E-2 engine, it delivers 167.7 horsepower (125 kW) at 2,000 rpm, ensuring robust power output and improved fuel economy. The hydraulic system features a variable displacement piston pump with a maximum flow capacity of 116 gallons per minute, supporting smooth and responsive operation of all work functions. System relief valve pressure is set at 5,410 psi, providing reliable protection and optimal hydraulic performance. The excavator’s operating weight is 50,353.6 lbs, offering excellent stability and lifting capacity. With a maximum digging depth of 19.2 ft, a maximum loading height of 22.1 ft, and a maximum reach along the ground of 29.8 ft, the PC220-7 excels in a wide range of digging and loading applications. The shipping length of the unit is 32.4 ft, making it suitable for transport and site maneuverability. Ground clearance is 1.5 ft, and the length of track on the ground is 9.7 ft, ensuring good underfoot stability and mobility. The tail swing radius is 11.4 ft, and the width to the outside of the tracks is 9.8 ft, providing a compact footprint for working in confined spaces. The PC220-7 also features a strengthened boom and arm, increased bucket digging force and speed, and a unique two-pump hydraulic system for efficient power use and reduced hydraulic loss. These features combine to deliver exceptional digging power, fast cycle times, and superior overall performance in the 22-ton excavator class.