
If you're looking to upgrade your Ford pickup truck's fuel capacity, consider installing a truck bed fuel transfer tank system. These systems can increase your truck's fuel storage by up to 25 gallons.
The most common type of fuel transfer tank system for Ford pickup trucks is the in-bed tank system. This system involves installing a tank in the truck bed, which can be accessed through a filler neck or a fuel door.
Some truck bed fuel transfer tank systems are designed specifically for Ford F-150 and F-250 trucks. These systems often include a custom-fit tank and mounting hardware to ensure a secure installation.
Ford pickup trucks with a 6.7L Power Stroke diesel engine can benefit from a larger fuel tank capacity, which can improve their towing and hauling capabilities.
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Transfer Tank Options
Transfer tanks come in a variety of sizes to suit different needs. Whether you need a compact tank for occasional use or a larger tank for heavy-duty applications, there's a solution out there.

At Transfer Flow, you can choose from tanks ranging from 37 to 100 gallons. This means you can extend your driving range and have peace of mind on long trips or in remote areas.
Transfer Flow's tanks are designed to seamlessly integrate with your pickup truck, offering convenience and reliability. They're made in the USA from American-made aluminized steel and come with all parts needed for installation.
Here are some specific tank sizes and their dimensions:
- 37-gallon tank: designed to fit under a Pace-Edwards and Truck Covers USA retractable canister bed covers
- 40-gallon tank: designed to be compatible with most diesel trucks for a universal fit
- 50-gallon tank: can more than double your driving distance
- 100-gallon tank: the largest in-bed auxiliary fuel tank, holding up to 100 gallons of additional fuel
L-Shaped Transfer Tank Specification
Our L-Shaped Transfer Tank is designed to fit between your truck's wheel wells without interfering with the gooseneck hitch.
You can easily install our tank using an existing fuel pump, thanks to the standard bung we utilize.
This tank is specifically made for diesel fuel, so it's not suitable for gasoline.
A breathable, locking fuel cap comes standard with all our L-tanks, allowing for expansion.
Variety to Suit Your Needs
Transfer tanks come in a variety of sizes to suit different needs, from compact tanks for occasional use to larger tanks for heavy-duty applications. Whether you need to transfer fuel, water, or other liquids, having the right tank size and configuration is crucial.

At Upfit Supply, we offer a range of transfer tank sizes and configurations to match your specific needs. Our tanks come with various pumping options, including manual hand pumps and electric pumps, to make liquid transfer easy and efficient.
You can choose from different tank shapes and sizes to fit your specific requirements. For example, Transfer Flow's auxiliary fuel tanks are available in sizes ranging from 37 to 100 gallons.
Here are some examples of transfer tank sizes and configurations:
Having the right transfer tank size and configuration can make a big difference in your work or outdoor activities. By choosing the right tank for your needs, you can ensure efficient and safe liquid transfer.
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F-150 Pickup Trucks
If you have a Ford F150 pickup truck, you'll want to consider the limited pickup bed space when choosing a fuel transfer tank. Ford F150 pickup trucks have more limited pickup bed space than the larger sized 6.75 foot pickup beds.
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To fit a fuel transfer tank, you'll need to limit your fuel tank length to less than 50.5 inches. This means you'll want to look for tanks with lengths that are shorter than this measurement.
The ATI Auxiliary Tanks for Ford F150 are a good option, with the AUX41R model being a 41-gallon tank that's 48.5 inches long by 11 inches wide by 19 inches high.
Alternatively, you can consider the Transfer Flow Auxiliary Tank for Ford F150, which is a 40-gallon tank that's 48 inches long by 19 inches wide by 19.38 inches high.
If you have a gas fuel tank in your F150, you might want to consider a fuel transfer tank instead of a traditional fuel transfer tank.
Here are some options for fuel transfer tanks that are DOT approved to carry multiple fuel types and would fit inside a Ford F150 pickup bed:
Installation and Measurement
When measuring tank space around your Ford pickup truck wheel wells, it's essential to consider the width of your auxiliary fuel tank. If the tank's width is less than the point where it first hits the wheel well, you can fit a longer tank in your pickup bed.

Make sure to measure the space from the back of your pickup bed to the point where you first hit the wheel well. This measurement in inches will tell you how much width your auxiliary tank can have before it hits the wheel well.
A longer pickup bed length will give you more space in your pickup bed to fit an auxiliary fuel tank before the tank width runs into the wheel well base.
Here are some key measurements to keep in mind:
- Approximate bed width: 60 to 66 inches.
- Approximate wheel well width: 50.5 inches.
- Distance from wheel well to back of cab: 15 to 19 inches (varies by truck).
Always double-check your bed space dimensions to ensure a correct fit.
How to Measure Truck Bed Size
Measuring your truck bed size is crucial for installing an auxiliary fuel tank. The measurements are actually opposite of what you'd expect, so make sure to get it right.
The length of your auxiliary fuel tank equals the truck bed width. This means if your truck bed is 60 inches wide, your auxiliary fuel tank should be 60 inches long.
The width of your auxiliary fuel tank equals the truck bed length. If your truck bed is 66 inches long, your auxiliary fuel tank should be 66 inches wide.
The height of your auxiliary fuel tank equals the truck bed depth. Just remember to measure your truck bed depth accurately to ensure a proper fit.
For Ford F250, F350, and F450 trucks, there are specific measurement restrictions for auxiliary fuel tanks. If the tank width is less than the distance to your wheel well, it can fit with a length up to your bed rail width (60 to 65 inches).
If the tank width is greater than the beginning of your wheel well, the length is limited to the width between your wheel wells (50.5 inches). Always double-check your measurements to ensure a correct fit.
Here are some key measurements to keep in mind:
- Approximate bed width: 60 to 66 inches
- Approximate wheel well width: 50.5 inches
- Distance from wheel well to back of cab: 15 to 19 inches (varies by truck; important to double check this measurement on your truck)
How to Measure Ford Pickup Wheel Well Space
To measure Ford pickup wheel well space, you'll want to start by measuring the distance from the back of your pickup bed to the point where you first hit the wheel well. This measurement in inches will tell you how much width your auxiliary tank can have before it hits the wheel well.

A longer pickup bed length gives you more space in your pickup bed to fit an auxiliary fuel tank before the tank width runs into the wheel well base. This is especially important for short bed pickup trucks.
If you have a short bed pickup truck, look for narrow auxiliary fuel tanks or narrow transfer tanks that have lower widths. This can help you squeeze in an auxiliary fuel tank even when space is limited.
You can also look for auxiliary fuel tanks with notches. The notches reduce the bottom length of a tank and are designed to fit between the wheel wells.
In-Bed Tanks Removed
Our in-bed auxiliary fuel tanks are available in various sizes, ranging from 37 to 100 gallons. This extra fuel capacity is perfect for long hauls, RVing, off-roading adventures, or everyday convenience.
Transfer Flow's auxiliary fuel tanks are designed to seamlessly integrate with your pickup truck, offering convenience and reliability. The TRAX 4 operating system ensures smooth and efficient fuel transfers without manual intervention.
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The 37-gallon in-bed auxiliary fuel tank system fits under a Pace-Edwards and Truck Covers USA retractable canister bed covers. This system is ideal for those who need a compact fuel tank solution.
The 40-gallon in-bed auxiliary fuel tank system is designed to be compatible with most diesel trucks for a universal fit. This makes it a great option for those with diesel-powered vehicles.
Installing a 50-gallon in-bed auxiliary fuel tank system can more than double your driving distance. This is especially helpful for those who frequently drive long distances without access to fueling stations.
Our 100-gallon in-bed auxiliary fuel tank is the largest option available, holding up to 100 gallons of additional fuel. This tank is perfect for those who need to go the distance without stopping for fuel.
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Product Information
Upfit Supply's transfer tanks are sourced from trusted manufacturers known for their craftsmanship and reliability, ensuring consistent performance and safe transportation of liquids.

The quality of these tanks is unmatched, with a focus on preventing leakage or spillage during transport.
You can count on these tanks to get the job done, thanks to their reputation for reliability.
The range of products offered by Upfit Supply includes various accessories to complement your transfer tank, such as Hitches & AccessoriesLadder RacksLiftgates & RampsPartitions & BulkheadsRunning Boards & StepsSafety & SecurityStorage & Tool BoxesTruck BoxesTruck Protection to enhance your overall truck experience.
These accessories can be tailored to fit your specific needs, ensuring a seamless integration with your transfer tank.
The variety of products available from Upfit Supply is impressive, covering everything fromTruck Tanks toVehicle Protection and more.
What Are Transfer Tanks?
Transfer tanks are a must-have for pickup truck owners who need to transport and store liquids.
They're designed to fit securely in the bed of your truck, providing a safe way to transport bulk liquids.
Transfer tanks can be used to transport a variety of liquids, including fuel, diesel, and chemicals.
These tanks are often referred to as fuel transfer tanks or simply "transfer tanks".
They offer a convenient and efficient way to transport liquids from one location to another.
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Sources
- https://highwayproducts.com/specialty/fuel-transfer-tank/l-shaped-tank/
- https://upfitsupply.com/product-category/truck-tanks/transfer-tanks/
- https://tankretailer.com/pages/best-auxiliary-fuel-tanks-for-ford-pickup-trucks
- https://www.transferflow.com/in-bed-auxiliary-fuel-tanks
- https://sdhqoffroad.com/products/50-gallon-in-bed-auxiliary-fuel-tank-system-trax-4
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