Drilling capacity Hole dia Φ75mm,Φ110mm Depth 25m,30m Rotation table speeds 110;234;332 Rotation table output torque 0.326 Max pull force 20 Feed stroke 350 Retraction stroke 220 Single rope max lift force 3.43 Hoisting speeds (the second layer) 0.58;1.15;1.78 Oil pump CBW-F203-AFPL Drill body Weight (excluding power unit) (kg) 240 Overal dimensions(L*W*H) 1270*624*890 Power unit Diesel engine Model R185A Power 6.25 Speed 2400 Electric motor Model Y132S1-2 Power 5.5 Speed 2900