Abstract: A tank caddy system that includes a pair of fixed rear wheels, an axle connecting the rear wheels, the axle having a first support for mounting a tank thereon, a single front wheel that swivels, and a generally rectangular plate mounted on the single front wheel wherein the plate has a second support for mounting the tank thereon. The first support includes two upwardly extending pins located adjacent a respective wheel. The plate includes a pair arms extending outwardly from the sides of the plate and the second support includes a pin extending upwardly from each arm. A pair of handles is secured to the legs of the tank. A pair of clamps for providing additional support to the tank is secured to a respective arm of the plate. Each of the pins of the first and second support fits within a respective leg of the tank.