It is installed in the front of the bed. It was made by American Aluminum Accessories of Perry Florida. However they no longer make fuel tanks. Mine is 100 gal. I never put more than 80 in it. It has a fuel level indicator in the tank. I have a switch on the dash just flip it and it switches a 3 way valve and you are running on the aux tank and the factory fuel gauge on the dash read the level in the aux tank. It's a great setup don't have a clue where you would get one like it. Sorry i'm not much help.