The Komatsu PC220-8 Crawler Excavator was manufactured from 2007 to 2014 and weighs 23.42 tons. It has a transport length of 9.885 meters, a transport width of 2.98 meters, and a transport height of 3.055 meters. The machine has a tear-out force of 172 kN and a dredging depth of 6.92 meters. Its maximum reach horizontal is 10.02 meters, and it has a bucket capacity of 1.26 U/min and a bucket width of 1.505 Nm. The track width is 600 HP.
Doosan excavator is the main product of Doosan Group in Korea, it is an earth moving machine that uses bucket to excavate materials above or below the surface of the bearing machine and loads them into the transportation vehicle or unloads them into the stockpile.Doosan excavators have two major product lines: the DH series and the DX series. The materials excavated by excavators are mainly soil, coal, silt, and pre-loosened soil and rock.