... the drilling rig, drill pipe loading and unloading, turning and feeding, legs, winch, walking and other movements are all operated by the hydraulic ... can lift 0.8 tons of drilling devices flexibly.7. 4 hydraulic leveling jacks can adjust the rig to be level fast.8 ... methodMud pump/DTHCompressor and toolHigh/media air pressure DZS380 full hydraulic water well drilling rig