All Fuel Tanks are not designed for flammable fuel like Gasoline
UWS Fuel Tank:
This fuel tank and tool box combo has a 45 gallon L tank with a chest style tool box. It is also available in a 85 gallon tank.
This fuel tank combo has the tool box on top and the fuel tank underneath. These are available in both a 43 gallon and a 70 gallon tank.
Taylor Tanks Website
This is also a L tank style tank with a removable chest box. It comes with a 65 gallon tank.