DR55 hydraulic submersible drilling rig is currently on the market, a common internal combustion hydraulic submersible drilling rig new upgraded product, is in the absorption of mechanical engineering design, production technology, combined with the actual construction process of drilling rigs, considered environmentally friendly, energy-saving, labor development of a new model, based on a solid and stable, elegant, flexible, easy operation, high efficiency and low consumption and other performance characteristics, the earthwork excavation, mining / quarry such as the ideal replacement products, in particular, but also shows the use of high pressure to drill large diameter blast holes reliability, stability, efficiency, by the majority of users of praise. DR55 technical parameters Working Pressure (Mpa) 1.05-2.46 boom tilt angle (°) levels up 60 down 19 hole diameter (mm) 90-165 carriage pitch angle (°) 135 drilling height (m) 3.38 Rotary Torque (Nm) 4500 gradeability (°) 30 carriage stroke (mm) 4300 first advance length (m) 3.6 lifting force (kg.f) 1500 return transit speed (rpm) 0-60 Impact Model HM35 HH45 HH55 HH65 Compensation Length (mm) 1200 Wet dust way (optional dry) hook height (mm) 570 Transport width (mm) 2300 Total power (kw) 70 engine YC4D95Z-T11 Total Weight (kg) 6400 manufacturer Guangxi Yuchai Mechanical Dimensions (mm) 5300 × 2180 × 2400 rated power (kw) 70 carriage swing angle (°) left and right 35 50 operating speed (rpm) 2200 Boom swing angle (°) around the fuel tank capacity of 45 (L) 125 More submersible drilling rig products, please visit the official website of the British Nuowei Ke -http: //www.innovake.com