1. Max Drilling Torque: 230 kN.m 2. Max. Drilling Diameter: 2m 3. Max. Drilling Depth: 60m 4. Rated engine power: 246kw Rotary Drilling Rig Famous Trademark of China1. UsesHONGDA ZJ40  piling rig is an efficient boring rig in big-bore pile-base project construction, which...

1. Rotary Drilling Rig (60m-deep) 2. Famous Trademark of China 3. Hole Diameter: 0.8m-2m 4. Cummins Diesel Engine  Rotary Drilling Rig HDR230 (65T) 60m-70m The  Shandong HONGDA HDR230 All-hydraulic Rotary Drilling Rig is an efficient drilling rig in large-caliber...