The Sandvik MR620 is a boom roadheader that is used in chopping off hard rocks. It has a cutterhead speed of a minimum of 1.5 meter per second. It is widely used in operations involving roadway development in rough, and solid rock particles.
The machine has an average weight of 100 tons, and functions through a pressure of 100 MPa. It has a telescopic cutter boom that is used in sump-in even with the exclusion of tramming, and precise cutting. It is also equipped with load sensing hydraulic system that is used in maximizing the energy of the machine. The device also has a pick flushing system that is capable in suppressing of dust.