... Water Well Drilling Machine 1,Full-hydraulic chuck 2,Widely used in exploration 3,Drilling rod diameter 50 HGY-300 Water ... e.g. prospecting, railway, road, port, bridge, water conservancy and hydropower, tunnel, well, industrial and civil ... Technological Data of Drilling Rigs: ModelHGY-300 Water Well Drilling MachineDrilling depth( m)300Drilling rod ... model395K2( 19.8KW) Electromotor modelY180L-4( 22KW)