Product Feature: 1.High efficiency and saving labor intensity .with hydraulic automatic feeding mechanism, improve the drilling efficiency, reduce labor intensity. 2.Safe and reliable.Using the ball cassette clamping device, and can down bar without stopping ,and it is convenient to operate. 3.Easy to operate.Equipped with a pressure gauge at the bottom for measuring pressure of the bore , easy to operate. Product Parameter: ST-100 Water Well Drilling Rig Machine Unity machine parameter Drilling depth 30--180m Drill rod caliber 50/ 42mm End hole caliber 75 /46mm Max. open hloe caliber 220mm Drilling angle 90°~75° Drill weight (No include power) 610kg Unity machine dimensions 2.10.91.3m Spindle spindle speed 130, 300, 480, 730, 830, 1045r/min Spindle stroke 450mm Hoist Max.single line hoisting capacity 1600kg Single line lifting speed 1.06, 0.67, 0.32m/s Wirerope caliber 13mm Wirerope cubic measure 35m Hug floodgate caliber 254mm Hug folldgate belt width 50mm Distance between drill and hole 230mm Mud pump Mud pump Type Horizontal single urn twin-action Displacement 170L/min Maximum pressure 1.5Mpa Work pressure 0.7Mpa Power Power Diesle engine S1105 18HP Electric motor Y160M-4 15KW