Hanging Type Atomizer Spraying Machine It is connected to the tractor from 3 points by its hydraulic arms. The pressure required for spraying is provided by hydraulic membrane pumps. The pump takes its movement from the tractor PTO. A fiberglass (reinforced) or polyethylene tank is used as a spraying tank. The turbo fan on the machine provides compressed air to its surroundings with its propeller, which takes its movement from the tractor PTO.