Efficient borehole mining Drilling Rig KXD570-M1320 1.diameter:90-165mm 2.new ... crawler belt walking Efficient borehole mining Drilling Rig KXD570-M13201.diameter:90-165mm2.new condition3.crawler belt ... with more improved function and more reliable performance.KXD570 internal combustion (KXD580D electric) crawler-type hydraulic down ... )Weight6500kg Efficient borehole mining Drilling Rig KXD570-M1320