drilling capacity (m) 500 spindle speed (r/min) forward 69;120;189;261;326;567;895;1235 reverse 54；255 max torque (Nm)  3210 angle range  0-90° spindle max pull force (KN)  70 spindle max push force (KN)  50 spindle stroke (mm)  400 hoist max lift capacity with single rope (KN)  30 Oil pump  CBK1012-8-B3F power unit electric motor Y180L-4 22KW diesel engine 395K2 19.85KW overal dimensions (L×W×H)(mm) 2250×950×1850 drill body weight(excluding power)(kg) 1200