Yes, it is possible to have a fuel tank under a tonneau cover. There are specific tanks designed to fit under either a hard/soft bed cover or a roll top bed cover, with the highest portion of the tank below the bed rails. Some tanks even have a recessed lid that can fully open with a tonneau cover.
What Type Of Fuel Tanks Can Fit Under A Tonneau Cover?
There are different types of fuel tanks that can fit under a tonneau cover. Some tanks are designed to work with tonneau covers that have canisters, while others can fit under most standard tonneau bed covers. The Fuelbox LT70T is an L-Shape tank designed to work with tonneau covers that have canisters. Transfer Flow’s 50-gallon fuel tank and 37-gallon roll-top fuel tank can fit under a tonneau cover. The 40-gallon in-bed auxiliary fuel tank system from Transfer Flow has a patent-pending design with a recessed cover box that fits under most standard tonneau bed covers.
Can You Install A Fuel Tank Under A Hard Bed Cover?
Yes, it is possible to install a fuel tank under a hard bed cover. There are specific tanks designed to fit under either a hard/soft bed cover or a roll top bed cover. However, it is important to check all measurements to ensure that the tank will work with the bed cover. Some tanks are designed to work with tonneau covers that have canisters. There are also discussions on forums about installing an in-bed auxiliary fuel tank with a retractable or hard folding cover.
How Much Fuel Can A Tank Under A Tonneau Cover Hold?
The amount of fuel that a tank under a tonneau cover can hold depends on the specific tank. There are different sizes available, ranging from 37 gallons to 70 gallons. For example, Transfer Flow’s 50-gallon fuel tank and 37-gallon roll-top fuel tank can fit under a tonneau cover. The Fuelbox LT70T is a 70-gallon L-Shape tank designed to work with tonneau covers that have canisters. It is important to check the dimensions of the tank to ensure that it will work with the tonneau cover.
Are There Any Safety Concerns With Having A Fuel Tank Under A Tonneau Cover?
There are some safety concerns to consider when installing a fuel tank under a tonneau cover. It is important to ensure that the tank is DOT approved to hold non-diesel fuel. Additionally, it is crucial to measure the height of the closed tonneau cover and the tank to ensure that there is enough clearance and that the tank will fit properly. Some tanks are designed to work with tonneau covers that have canisters, while others have a low height that allows them to fit under most standard tonneau bed covers. It is also important to ensure that the tank is pressure tested under water and meets or exceeds all DOT and EPA regulations for diesel fuel. Finally, it is recommended to use a fuel transfer system that pumps fuel rather than relying on gravity to transfer fuel from the auxiliary tank to the main tank for safety and peace of mind.
Can A Fuel Tank Under A Tonneau Cover Be Used With A Diesel Engine?
Yes, a fuel tank under a tonneau cover can be used with a diesel engine. In fact, some of the tanks mentioned in the search results are specifically designed to hold diesel fuel and meet or exceed all DOT and EPA regulations for diesel fuel. For example, the Fuelbox LT70T is constructed of high-quality .125 marine grade aluminum and meets or exceeds all DOT & EPA regulations for diesel fuel. Additionally, there are discussions on forums about adding an auxiliary diesel fuel tank in the bed of a truck. It is important to ensure that the tank is DOT approved to hold non-diesel fuel if you want to use it to hold gas, ethanol, methanol, kerosene or aviation fuel.
Also Read:
- Can You Sleep In A Truck Bed With A Soft Tonneau Cover?
- How Do I Clean Mold And Mildew Off My Tonneau Cover?
- Will Household Cleaners Damage Tonneau Cover Vinyl?
- Where Can I Buy Weather Stripping Adhesive For Tonneau Covers?
- What Is A Cargo Area Tonneau Cover?
- Where Can I Buy Replacement Vinyl For Tonneau Covers?
- How Do I Adjust The Tension On My Roll-Up Tonneau Cover?
Resources:
- https://thefuelbox.com/product/lt70t-70-gal/
- https://www.dieselplace.com/threads/hard-tonneau-cover-and-in-bed-aux-fuel-tank.970084/
- https://tankretailer.com/pages/best-under-tonneau-cover-fuel-tanks
- https://www.mygrandrv.com/forum/showthread.php/39812-Auxiliary-Fuel-Tank-that-will-Fit-Under-my-Bakflip-Cover