... technical parameters Max. drilling torque 200 kN.mMax. drilling diameter 2m Max. drilling depth 60mMax. lifting ... error-proof operating system.Engine,hydraulic pump, hydraulic motor, hydraulic valve, reductor,chassis part,electronic ... HYDRAULIC PART CO.,LTD. 10Drilling rod--513 frictional drilling rod from JIANGSU HENGTONG MACHINERY MANUFACTRUE CO.,LTD.11Drilling toolallocated with barrel drilling head ...