Featuring a unique self-filling vacuum system, Water Master vacuum tankers can be filled at up to 2000 gallons per minute without a class a pumper. The tankers can self-fill from up to three suction inlets using almost any alternative water source including ponds, rivers, lakes, ditches and swimming pools. Featuring baffled aluminum tanks holding up to 4000 gallons of water the Water Master comes standard with a vacuum pump allowing one operator to maintain a flow rate of 250 gallons per minute or more at the fire scene while traveling over a three mile shuttle route from a water source.