Fuel Tank Capacity For F550: Sizing Up Options

what size fuel tank for f550

The Ford F-550 Super Duty truck comes with a 40-gallon rear fuel tank as standard. This is placed at the back of the truck, where the spare tire would usually be. There is also an option to replace the 40-gallon tank with a 19-gallon midships tank, or to have both as part of a dual fuel setup.

Characteristics Values
Fuel Tank Size 40 gallons
Fuel Tank Dimensions 32-1/2 inch x 32 inch x 14-3/4 inch
Fuel Type Diesel
Chassis Cab Type Narrow frame
Pickup Type Wide frame

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The 40-gallon rear fuel tank is standard for the F550 chassis cab trucks

The Ford F-550 Super Duty truck comes with a 40-gallon rear fuel tank as standard. This is a common feature on chassis cab trucks, which have a narrow frame. The tank is positioned between the frame rails at the back of the truck, where the spare tire would typically be located on a pickup.

The 40-gallon tank is made of steel and measures 32-1/2 inches by 32 inches by 14-3/4 inches. It is designed to fit the Naturally Aspirated model and is suitable for diesel fuel, but not biodiesel.

For those seeking a smaller option, a 19-gallon midships fuel tank can be chosen instead of the standard 40-gallon rear-mounted tank. This option provides increased flexibility, particularly for those who need to access the filler tube without crawling under the truck.

The dual-fuel option, which includes both the 40-gallon and 19-gallon tanks, is also available. This setup provides the convenience of additional fuel capacity and is compatible with certain body/bed styles. However, it is important to ensure that the chosen configuration allows access to the filler tubes without requiring significant modifications.

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A 19-gallon midships tank is an option instead of the larger tank

The F450/550 Chassis cab comes with a standard 40-gallon rear fuel tank, which is placed where the spare tire would usually be on a pickup truck. However, a 19-gallon midships fuel tank is offered as an alternative to the larger tank. This option is ideal for those who don't require the extra fuel capacity and would prefer a smaller tank.

The 19-gallon midships tank is a good choice for those who want to avoid the potential inconvenience of a larger tank. With the smaller tank, there is no need to crawl under the truck to access the filler, as some users have reported having to do with the 40-gallon tank. Additionally, dealers often prefer the smaller tank, as they can receive a credit for choosing it over the larger option.

The midships tank also offers more flexibility in terms of body and bed choices. While most service bodies for chassis cab trucks are designed with the rear-mounted tank in mind, the midships tank can be accommodated by various body styles, including custom hauler beds and flatbeds. It's important to ensure that the chosen configuration allows access to the filler tube without requiring any major modifications.

For those who require the maximum fuel capacity, the 40-gallon tank is the obvious choice. However, the 19-gallon midships tank is a viable alternative for those who prioritize convenience, flexibility, and a more compact setup. This option still provides a substantial fuel capacity while potentially offering a better fit for certain truck configurations and personal preferences.

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The dual-fuel option includes both the 40- and 19-gallon tanks

The Ford F-550 Super Duty truck comes with the option of a dual-fuel tank setup, which includes both a 40-gallon rear-mounted tank and a 19-gallon midships tank. This setup provides increased fuel capacity and can also act as a good ballast to offset the suspension.

The 40-gallon tank is standard on the chassis cab trucks and is mounted at the back of the truck, where the spare tire would typically be located. This tank is designed to fit between the frame rails, providing a neat and tidy appearance. The 19-gallon midships tank is offered as an optional replacement for the 40-gallon rear tank.

It's important to note that not all body styles accommodate both tanks, and access to the filler tubes may be limited. Chassis cab trucks typically have the rear-mounted tank, while some custom hauler beds offer filler doors for both filler tubes. Flatbed options are also compatible, but underbed toolboxes on the driver's side may pose an issue.

The 40-gallon tank measures 32-1/2 inches by 32 inches by 14-3/4 inches and is made of steel. It is compatible with diesel fuel but not biodiesel. This option provides an impressive fuel capacity for extended mileage and can enhance the overall performance and functionality of the F-550 Super Duty truck.

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The rear tank is mounted where the spare tire would be on a pickup

The Ford F-550 Super Duty truck can be fitted with a 40-gallon rear fuel tank, which is placed between the frame rails. This tank is positioned where the spare tire would usually be located on a pickup truck. This setup is standard on the F-550 chassis cab trucks, which have a narrow frame. The tank measures 32-1/2 inch by 32 inch by 14-3/4 inch.

This option is not commonly found on dealer lots, as they often opt for smaller tanks. However, the rear tank provides several benefits. Firstly, it offers an extended range with its 40-gallon capacity. Additionally, it serves as a good ballast to offset the suspension.

The rear-mounted tank is designed for chassis cab trucks, and most service bodies for these trucks accommodate this configuration. However, it is not suitable for pickups with a wide frame, such as the F-350 SRW trucks. For pickups, an alternative option is to consider mounting the stock tank from an Excursion, although this may require fabrication for the filler tube.

There is also a dual-fuel option available, which includes both the 40-gallon rear tank and a 19-gallon midships tank. This setup provides even greater fuel capacity and flexibility. However, it is important to ensure that the body and bed of the truck can accommodate both tanks and provide access to the fillers without the need to crawl under the vehicle.

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The F550's fuel tank size is 32-1/2 inch x 32 inch x 14-3/4 inch

The rear fuel tank setup is a desirable option for those seeking extra fuel capacity. This setup provides an additional 40 gallons of fuel, which extends the miles driven and acts as a ballast to offset the suspension. The tank is neatly tucked between the frame rails at the back of the truck, where a spare tire would typically be located on a pickup.

It's important to note that this fuel tank size is specific to the naturally aspirated model with a 40-gallon tank. It will not fit a model with a 28-gallon tank. Additionally, this fuel tank is made of steel and does not have a pan. New mounting hardware will be required for installation.

For those seeking even more fuel capacity, the dual fuel" tank option offers both a 40-gallon and a 19-gallon tank. This option provides flexibility and convenience, but it's important to ensure that the body and bed of the vehicle allow access to the filler without the need to crawl under the truck.

Frequently asked questions

The standard size of the fuel tank for the F550 is 40 gallons.

Yes, a 19-gallon midships fuel tank can be chosen instead of the standard 40-gallon rear-mounted tank.

The dimensions of the 40-gallon fuel tank are 32-1/2 inch x 32 inch x 14-3/4 inch.

The F550 uses diesel fuel.

Yes, the dual fuel tank option provides both the 40-gallon and 19-gallon tanks.

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