Easy to use and install, they’re the conveniently sized fuel transportation solution that falls between a slip tank and a dedicated fuel truck. Tanks come complete with all of the standard features your high-volume mobile refueling application needs, and are available in four base sizes: 2,100 and 4,300 liters in dual wall (protected) configurations and 2,250 and 4,500 liters in single wall configurations. Road-Vault mobile service tanks are designed to be permanently mounted to a flat deck on the back of a truck or on a trailer.