Abstract: Apparatus for transporting and storing liquids such as chemicals and the like which does not require any handling of the chemicals at the site where such chemicals are used. A tank for containing the chemicals is supported on a longitudinal trailer frame which, in turn, is provided with wheels at one end and a gooseneck fifth wheel type connector at an opposite end. The fifth wheel is receivable within a recess in a flatbed of a prime mover and connectible to a mateable receiving element thereto for transport from one point where the chemicals are loaded into the tank to the plant or other location where the chemicals are to be used. Adjustable length support legs are provided on an end of the trailer opposite the wheels for supporting the storage tank in a horizontal plane when the fifth wheel is detached from the prime mover. A self-contained pumping system is provided on one end of the longitudinal frame for pumping liquid out of the tank.