multi-function drilling rig / crawler / rotary / hydraulic
hydraulic, construction, diesel engine, for civil engineering
1,500 mm, 2,000 mm
54 m, 68 m (177'01")
13-15m friction Kelly, 12-15m interlocking Kelly made of high strength steel tubes are available; Maximum output torque reaches 235kN.m, the maximum pile depth is 68m down, maximum pile diameter is 2000mm.