... on, also used in rock APPLICATIONS:MGY-80 hydraulic anchoring drilling rig is mainly used in treating the disaster ... of landslide, rockslide so on, also used in rock anchoring, anchoring bar, strengthening retaining wall, supporting in deep foundation pit, ... depth 80mType of hydraulic power packElectric motor,varibale oil pumpHydraulic system rated pressure(Mpa)20Top-head speeds(r/min) Series ...