DIG150 High Pressure Crawler hydraulic drilling rig, using a new hydraulic technology, with low air consumption rotary torque, variable-bit-shift convenient hole, the drilling rig structure, a compact, the smallest turning radius of only 2.8m, while promoting a retractable sliding shelf compensation, drilling hole when the sliding frame support on the ground, drilling and good stability.The drilling rig is mainly suitable for open mining, water conservancy, power plants, road building and other Rock drilling blasting holes.