... . This series Drilling Rig is all-hydraulic operated drill accordance with the requirements of subway, high-rise building, airport and the ... can adjust torque and rotary speed according clients request. 3.With the crawler, it has fast mobility, accurate location, time-saving ... (L*W*H, mm):5400*2200*1900Horizontal working station(L*W*H, mm):6000*2200*1900Vertical working station(L*W*H, mm):3500*2200 ...