... ,,drill depth:1500m 2,Wide range of suitable rotary speed. 3,Utility patent 5,Full hydraulic rig Exploration Drilling Rig(HGY ... 'jiefang"CA151 auto parts, such as clutch and gear-Box.3) Reasonable design of the transmission and shift on the principle ... /s)0.51 0.81 1.37 2.06 2.92 3.91Lifting capacity(single) max(KN)40Movable cylinder stroke (mm)400Gear ...