... 8-10 3: Hydraulic system ,strong ability of cutting EBZ120 Underground Coal Roadheader Main Feature:1: Compact structure , body is ... are used extensively in coal mining, mineral mining and underground construction projects, where their ability to excavate the desired profile ... 5MPaSupply voltageAC1140V/660VGross power215KWOperation box protection typeExplosion proof EBZ120 Underground Coal Roadheader