Application ZDY4000LP(A) is a crawler mounted drill rig with high torque. It can use both ordinary outer planar drill roads for conventional drilling and spiral drill rods as well. It can be positioned over a conveyor belt,Website:http://www.rejeedrilling.com, it is mainly used to drill gas drainage boreholes in coal seam and it's adjacent seams. The rig is characterized by easy transportation and a wide range or borehole azimuth and pitch angles.Techinical DataTypeZDY4000LP(A)Borehole depth/m350Rod diameter/mm73Rated torque/N.m4000Rotary speed/r/min70~240Max feed force/pull force/kN123Feed stroke/mm780Dip of the main axis/°-30~60Power/kW55Total weight/kg5500Max traveling speed/km/h2.0Max gradeability20Contact pressure/mPa0.048Dimension (LxWxH)/m4.7*1.5*2.0