... TRUCK and the main drive system, the transfer case, gearbox, double-winch unit ,mud pump, turntable, drilling tower, feed mechanism ... air lifting reverse circulation drilling with air-water tap. double-wall drilling pipe, gas-water separator, can carry out hydraulic DTH ... 6 5 4Diameter of suction tube(mm)106Diameter of drain pipe(mm)64Input(kw)80Truck chassiaDrive form8*6enginemodelYC6A260-33YC water ...