Drilling capacity Hole dia Φ110mm,depth 100m Hole dia Φ200mm,depth 80m Type of hydraulic power pack Electric motor,varibale oil pump Hydraulic system rated pressure(Mpa) 20 Top-head speeds(r/min) Series I 0---140 Series II 0---50 Top-head torque (N.m) Series I 1400 Series II 3500 Lift speed(m/s) 0—-0.12 Feed speed (m/s) 0---0.19 Max pull force(N) 50000 Max feed force (N) 34000 Max stroke (mm) 1800 Drilling angle range(°) -10---90 Overal dimension of drill body(L*W*H)(mm)/Weight(Kg) 3270*1100*1425/1100 Dimension of power pack(L*W*H)mm/weight(kg) 1555*1255*1335/500 Dimension of operation desk(L*W*H)mm/weight(kg) 700*380*750*110 Power unit(electric motor) model Y1802M-2 Power(kw) 22 Speed(r/min) 2950