rotary drilling rig

HDR200 piling rig 1,Uses HONGDA HDR200 piling rig is an efficient boring rig in big-bore pile-base project construction, which mainly applies to such base constructions as railway,road,bridge, public works bridge and large building,etc. 2,Main technical parameters Max. drilling torque 200 kN.m Max. drilling diameter 2m Max. drilling depth 60m Max. lifting capacity of main windlass 210KN Max. lifting speed of main windlass 76m/min Max. lifting capacity of assistant windlass 98KN Max. lifting speed of assistant windlass 60m/min Driving force of pressurizing system 180KN Drawing force of pressurizing system 200KN Pressurizing stroke 5000mm Max. driving speed 1.5km/h Max. climbing grade 40% Engine rated power 246kw Engine rated rotating speed Overall weight 65t tower cranes, building hoists, concrete pumps, piling rigs, concrete pump trucks, concrete batching plants.