Drilling tools: Diameter of pilot bit 73 mm Length of drill rod 3 m Diameter of drill rod 60 mm Diameter of reamer 250 mm,300 mm,400 mm,500 mm,600 mm Capability: Capability of fuel tank 160 L Capability of cylender oil tank 160 L Quantity of lubricant oil 6 L Mud pump: Max pressure of mud pump 10 MPa Flow of mud pump 240 L/min Mud mixed ingredients station: Style splitting Volume 2 m3