... engineering geological survey, exploring of shallow petroleum natural gas , underground water Max. torque:3.2kN.mMax. stroke:600mmMax. lifting capacity:120kNMax ... ,0.701.291.842.68m/s6.Oil pumpDisplacement:20ml/r7.Water brake for hoistRotate speed:700,1800r/minBalance speed of single ... optional equipment. Technical data do not consider power losses. Core Drilling Rig XYPD-4