Product Feature: 1. Used for general investigation, geophysical exploration, high-way and building construction, and blast-hole drilling etc. 2. With hydro-automatic feeding device, and high drilling efficiency. 3. Designed with hydro-chucking unit instead of slips to ensure drilling from stop when changing pipes. 4. Close levers, convenient to operate, safe and reliable operations. 5. Compact in structure. All the drill, water pump and diesel engine installed on one base frame result in space-saving. 6. Light in weight, easy disassembling for transportation and applicable to working conditions in plain and mountain areas. Product Parameter: Drilling depth 100/180 m Initial hole dia. 150mm Final hole dia. 75/46mm Drill rod dia. 42/43mm Angle range 90°-75° Dimensions(LÃ?WÃ?H) 1620Ã?970Ã?1560(mm) Weight(without power unit) 620kg Migration distance 350mm Swivel Head Spindle speed(5-speed) 1010/790/470/295/140r/min Spindle stroke 450mm Upward displacement speed of idling vertical spindle 0.05m/s Downward displacement speed of idling vertical spindle 0.067m/s Spindle pull-down max 15KN Spindle lifting capacity max 25KN Hoist Max .lifting capacity(single rope) 15KN Lifting rotating speed 121/76/36r/min Hoisting drum linear velocity (two levels) 0.166/0.331/0.733/1.465m/s Drum dia. 140mm Wire rope dia. 9.3mm Wire rope capability 35m Brake dia. 252mm Brake belt width 50mm Oil Pump Model YBC-12/80 Rated pressure 8Mpa Displacement 8ml/r Rated speed 1500r/min Power (diesel engine or motor) Model (diesel engine) S1100A2 Rated speed 2200r/min Rated power 10.3KW Model (motor) Y160M-4 Rated power 11KW Rated speed 1460r/min