... case, main drive system, gear box, double-winch, mud pump, turntable, drill tower, feeding tools are all on the chassis. The ... high efficiency because of having a larger torque of the turntable, it is mainly used for water well, construction, national defense ... /min)117;102;60;38;22;13;16.6 (R)Turntable torque (KN.m)5.9----54Pull force of main winch ...