Motive Products- PowerfillPro and Power Extractor- 2 Gallon (1745) PowerFill Pro fluid transfer pumps make changing your differential and transmission fluid easy. Just pour your new fluid into the Power Fill tank, insert the hook spout, and pump the tank! Power Fill Pro is available in two sizes and includes a USA-made valve to control the flow and a Schrader valve if you wish to pressurize the units with your shop air. Comes with enough hose for use on full size limits