The general sprinkler by Dongfeng, Liberation Series PTO, gas operated, switch operation pulls back force taking gear in meshing position, through the drive shaft drives the pump work, the switch forwards a return, the pump is stopped. Force taking device is installed in the watering car gearbox body side of the equipment, automobile gearbox in general have the installation port and installed on the power device can be through the transmission constant mesh gear rotation to transmit the power out, and then through the driving component and controller to transmit power to the drum pay mix car, and pressure pump