XY-4-3 SPINDLE TYPE CORE DRILLING RIG. 1.TYPE AND FUNCTIONSXY-4-3 is a ... gas,underground water,engineering geological exploration,dam grouting hole drilling,drainage hole drilling.SPECIFICATIONSl. Hole depthrod dia. 43mm 1000m, 50mm ... )lifting capacity(single line) 30KNlifting speed(3rd layer) 1.09,2.02,2.89,4.18m/s4.Retraction ... Ø113(Non-coring)PCS15Mud pumpBW - 160PCS1BW - 200PCS1 drilling rig