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50 Gallon Fuel Tanks for Truck Bed

Browse our selection of 50 gallon fuel transfer tanks, auxiliary tanks, and tank toolbox combos for sale. Choose steel or aluminum portable transfer tanks for your truck bed.

  • Tank Dimensions: Read below to check dimensions of each tank to find the best fit for your truck.

Note: 50 gallon transfer tanks require a fuel pump to dispense fuel. Transfer tanks cannot transfer fuel to a truck fuel tank. Diesel auxiliary tanks transfer diesel fuel to a truck fuel tank.

ATI Rectangle Refueling Transfer Tank 38 gallon Save up to 15% Save %
$644.12 - $711.76
$644.12 - $711.76
$644.12
$547.50 - $605.00
$547.50 - $605.00
$547.50

ATI Rectangular DOT Approved Aluminum Transfer Tank

Aluminum Tank Industries

Aluminum Tank Industries rectangle Refueling aluminum Transfer Tanks are legal in all 50 states for gasoline, kerosene, methanol, diesel, and aviat...

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$644.12 - $711.76
$644.12 - $711.76
$644.12
$547.50 - $605.00
$547.50 - $605.00
$547.50
Save up to 15% Save %
ATI Rectangle Refueling Transfer Tank 51 gallon Save up to 15% Save %
$655.88 - $857.35
$655.88 - $857.35
$655.88
$557.50 - $728.75
$557.50 - $728.75
$557.50

ATI Rectangle DOT Approved Aluminum Transfer Tank

Aluminum Tank Industries

Aluminum Tank Industries rectangle DOT approved aluminum fuel transfer tanks are legal in all 50 states for gasoline, kerosene, methanol, diesel, a...

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$655.88 - $857.35
$655.88 - $857.35
$655.88
$557.50 - $728.75
$557.50 - $728.75
$557.50
Save up to 15% Save %
Transfer Flow 50 Gallon Refueling Transfer Tank with pump
$1,666.79 - $2,282.22
$1,666.79 - $2,282.22
$1,666.79 - $2,282.22
$1,666.79

Transfer Flow Refueling Transfer Tank

Transfer Flow

The Transfer Flow refueling transfer tank with transfer pump is available in 50 gallon, 82 gallon, and 109 gallon sizes.  The refueling system come...

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$1,666.79 - $2,282.22
$1,666.79 - $2,282.22
$1,666.79 - $2,282.22
$1,666.79
ATI AUX58R auxiliary fuel tank Save up to 15% Save %
$801.47 - $864.71
$801.47 - $864.71
$801.47
$681.25 - $735.00
$681.25 - $735.00
$681.25

ATI Diesel Aluminum Auxiliary Tank

Aluminum Tank Industries

Aluminum Tank Industries rectangle aluminum auxiliary fuel tank is available in sizes that range from 51 gallons to 66 gallons.  These light weigh...

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$801.47 - $864.71
$801.47 - $864.71
$801.47
$681.25 - $735.00
$681.25 - $735.00
$681.25
Save up to 15% Save %
ATTA Rectangular Transfer Tank 60 Gallon
$719.00 - $1,198.00
$719.00 - $1,198.00
$719.00 - $1,198.00
$719.00

ATTA Rectangular DOT Approved Transfer Tank

ATTA

ATTA rectangular transfer tanks are DOT approved for use with diesel, gasoline, kerosene, ethanol, methanol and aviation fuel.  Secure your transfe...

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$719.00 - $1,198.00
$719.00 - $1,198.00
$719.00 - $1,198.00
$719.00
Fuelbox FTC44T under tonneau fuel tank toolbox combo
Save up to 12% Save %
$2,159.00 - $2,299.00
$2,159.00 - $2,299.00
$2,159.00
$1,900.00 - $2,135.00
$1,900.00 - $2,135.00
$1,900.00

The Fuelbox Under Tonneau Fuel Tank Toolbox Combo

The Fuelbox

The Fuelbox Under Tonneau is a low profile fuel tank toolbox combo.  This fuel tank toolbox combo is designed to work with most tonneau covers. Th...

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$2,159.00 - $2,299.00
$2,159.00 - $2,299.00
$2,159.00
$1,900.00 - $2,135.00
$1,900.00 - $2,135.00
$1,900.00
Save up to 12% Save %
ATTA Dot Approved Transfer Tank Toolbox with pump
$1,832.00 - $1,832.00
$1,832.00
$1,832.00 - $1,832.00
$1,832.00

ATTA DOT Approved Rectangle Transfer Tank Toolbox

ATTA

ATTA transfer tank & toolbox combo with transfer pump is DOT approved for use with diesel, gasoline, kerosene, ethanol, methanol and aviation f...

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$1,832.00 - $1,832.00
$1,832.00
$1,832.00 - $1,832.00
$1,832.00
The Fuelbox FTC40
Save up to 13% Save %
$2,159.00 - $2,459.00
$2,159.00 - $2,459.00
$2,159.00
$1,900.00 - $2,285.00
$1,900.00 - $2,285.00
$1,900.00

The Fuelbox Fuel Tank Toolbox Combo

The Fuelbox

The Fuelbox Fuel Tank Toolbox Combo is a fuel tank toolbox combo. The tank will sit flush or below the bedrails. It clears most gooseneck and fifth...

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$2,159.00 - $2,459.00
$2,159.00 - $2,459.00
$2,159.00
$1,900.00 - $2,285.00
$1,900.00 - $2,285.00
$1,900.00
Save up to 13% Save %
The Fuelbox FTC44
Save up to 15% Save %
$2,159.00 - $2,499.00
$2,159.00 - $2,499.00
$2,159.00
$1,900.00 - $2,135.00
$1,900.00 - $2,135.00
$1,900.00

The Fuelbox Outside Fill Neck Fuel Tank Toolbox

The Fuelbox

The Fuelbox Outside Fill Neck Fuel Tank Toolbox provides easy was designed with the short bed Dodge in mind. Despite limited space, this fuel tank...

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$2,159.00 - $2,499.00
$2,159.00 - $2,499.00
$2,159.00
$1,900.00 - $2,135.00
$1,900.00 - $2,135.00
$1,900.00
Save up to 15% Save %
Transfer Flow 50 Gallon Diesel Refueling Transfer Tank
$751.81 - $812.07
$751.81 - $812.07
$751.81 - $812.07
$751.81

Transfer Flow Diesel Refueling Transfer Tank

Transfer Flow

The Transfer Flow diesel refueling transfer tank is available in 50 gallon and 80 gallon sizes. Fill your diesel fuel needs with a safe, legal, and...

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$751.81 - $812.07
$751.81 - $812.07
$751.81 - $812.07
$751.81
Transfer Flow 40 Gallon Under Tonneau Cover Auxiliary Tank
$1,745.26 - $1,870.62
$1,745.26 - $1,870.62
$1,745.26 - $1,870.62
$1,745.26

Transfer Flow Low Profile Under Tonneau Auxiliary Fuel Tank

Transfer Flow

The low profile Transfer Flow auxiliary fuel tank is designed to fit under tonneau covers.  Choose from 40 or 50 gallon sizes. Either option offers...

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$1,745.26 - $1,870.62
$1,745.26 - $1,870.62
$1,745.26 - $1,870.62
$1,745.26
ATI Rectangle Refueling Transfer Tank Toolbox Combo
Save up to 15% Save %
$1,144.12 - $1,207.35
$1,144.12 - $1,207.35
$1,144.12
$972.50 - $1,026.25
$972.50 - $1,026.25
$972.50

ATI Rectangle Refueling Tank Toolbox Combo

Aluminum Tank Industries

Aluminum Tank Industries Rectangle Refueling Transfer Tank Toolbox combos are great, secure solutions for tool and equipment storage as well as on ...

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$1,144.12 - $1,207.35
$1,144.12 - $1,207.35
$1,144.12
$972.50 - $1,026.25
$972.50 - $1,026.25
$972.50
Save up to 15% Save %
ATTA Auxiliary Tank Toolbox Combo in pickup bed
$1,504.00 - $1,504.00
$1,504.00
$1,504.00 - $1,504.00
$1,504.00

ATTA Diesel Auxiliary Tank & Toolbox Combo AT50TT

ATTA

ATTA Diesel Auxiliary Tank & Toolbox combos provide an ideal solution for securely storing a 50 gallon auxiliary fuel tank and a toolbox in an...

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$1,504.00 - $1,504.00
$1,504.00
$1,504.00 - $1,504.00
$1,504.00
$893.00 - $1,444.00
$893.00 - $1,444.00
$893.00 - $1,444.00
$893.00

ATTA Rectangular Diesel Auxiliary Fuel Tank

ATTA

ATTA rectangular diesel auxiliary fuel tanks are designed with .125 aluminum gage and are available in sizes that range from 40 gallons to 110 gall...

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$893.00 - $1,444.00
$893.00 - $1,444.00
$893.00 - $1,444.00
$893.00
Diesel Wedge Auxiliary Fuel Tank 50 Gallon
$979.00 - $1,298.00
$979.00 - $1,298.00
$979.00 - $1,298.00
$979.00

ATTA Diesel Wedge Auxiliary Fuel Tank

ATTA

ATTA Aluminum standard wedge tanks give you more of the custom look compared to a standard rectangular tank. The standard wedge auxiliary tank is ...

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$979.00 - $1,298.00
$979.00 - $1,298.00
$979.00 - $1,298.00
$979.00
The Fuelbox FT47 closeup
Save up to 15% Save %
$1,747.00 - $2,029.00
$1,747.00 - $2,029.00
$1,747.00
$1,485.00 - $1,725.00
$1,485.00 - $1,725.00
$1,485.00

The Fuelbox Auxiliary Fuel Transfer Tank

The Fuelbox

The Fuelbox Auxiliary Fuel Transfer Tank is an in bed diesel fuel tank. Choose whether you want to use this fuel tank as a transfer tank or an auxi...

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$1,747.00 - $2,029.00
$1,747.00 - $2,029.00
$1,747.00
$1,485.00 - $1,725.00
$1,485.00 - $1,725.00
$1,485.00
Save up to 15% Save %
Fuelbox LT70T
Save up to 15% Save %
$1,941.00 - $2,000.00
$1,941.00 - $2,000.00
$1,941.00
$1,650.00 - $1,700.00
$1,650.00 - $1,700.00
$1,650.00

The Fuelbox L Shaped Auxiliary Fuel Transfer Tank

The Fuelbox

The Fuelbox L-Shaped Auxiliary Fuel Transfer Tank is an in bed diesel fuel tank. Choose whether you want to use this fuel tank as a transfer tank o...

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$1,941.00 - $2,000.00
$1,941.00 - $2,000.00
$1,941.00
$1,650.00 - $1,700.00
$1,650.00 - $1,700.00
$1,650.00
Save up to 15% Save %
Fuelbox OBFB55 main picture
Save up to 9% Save %
$2,459.00 - $2,759.00
$2,459.00 - $2,759.00
$2,459.00
$2,300.00 - $2,500.00
$2,300.00 - $2,500.00
$2,300.00

The Fuelbox Over Bed Fuel Tank Toolbox

The Fuelbox

The Over the Bed Fuelbox is best if you like the toolbox over the bed look and are looking for a deep toolbox storage area. The fuel tank toolbox ...

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$2,459.00 - $2,759.00
$2,459.00 - $2,759.00
$2,459.00
$2,300.00 - $2,500.00
$2,300.00 - $2,500.00
$2,300.00
Save up to 9% Save %
Fuelbox FTC43 closeup view
Save up to 12% Save %
$2,159.00 - $2,359.00
$2,159.00 - $2,359.00
$2,159.00
$1,900.00 - $2,135.00
$1,900.00 - $2,135.00
$1,900.00

The Fuelbox Rectangle Fuel Tank Toolbox Combo

The Fuelbox

The Fuelbox is a rectangle shaped fuel tank toolbox combo.  The toolbox and fuel tank combo sit flush or below the bed rails and the filler neck i...

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$2,159.00 - $2,359.00
$2,159.00 - $2,359.00
$2,159.00
$1,900.00 - $2,135.00
$1,900.00 - $2,135.00
$1,900.00
Save up to 12% Save %
Fuelbox FTC61 closeup
Save 12% Save %
$2,159.00
$2,159.00 - $2,159.00
$2,159.00
$1,900.00
$1,900.00 - $1,900.00
$1,900.00

The Fuelbox T-Shaped Fuel Tank Toolbox

The Fuelbox

The Fuelbox is a T-Shaped fuel tank toolbox combo that is designed to fit perfectly in any half-ton pickup truck. The design is taller and wider t...

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$2,159.00
$2,159.00 - $2,159.00
$2,159.00
$1,900.00
$1,900.00 - $1,900.00
$1,900.00
Save 12% Save %
ATI Aux Tank Toolbox Combo 30 gallon
$978.75 - $1,085.00
$978.75 - $1,085.00
$978.75 - $1,085.00
$978.75

ATI Rectangular Auxiliary Tank Toolbox Combo

Aluminum Tank Industries

Aluminum Tank Industries Rectangle diesel Auxiliary Tank Toolbox combos offer a lightweight aluminum design with sizes that range from 30 gallons t...

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$978.75 - $1,085.00
$978.75 - $1,085.00
$978.75 - $1,085.00
$978.75

50 Gallon Transfer Tank for Truck Bed

ATI offers a really nice, lightweight aluminum 50 gallon fuel transfer tank that is sized to fit in both short bed and long bed trucks.  Because ATI’s tank is DOT approved, you can hold gasoline, diesel, kerosene, methanol, or aviation fuel.

You can pair this transfer tank with a black powder coat, spin secure lock or an optional transfer pump.

Dimensions (click SKU to see tank):

  • TTR50: 50 gallon – 36.25 inches long by 19 inches wide by 19 inches high

Additional ATI Transfer Tank Sizes (Click the SKU number to see tank):

  • TTR51: 51 Gallon* - 60 inches long x 9 inches wide x 24 inches high
  • TTR55: 55 Gallon - 24.25 inches long x 24 inches wide x 24 inches high
  • TTR58: 58 Gallon** - 58 inches long x 21 inches wide x 13 inches high

Note: ATI rectangular Transfer Tanks greater than 50 gallons have to ship by freight. ATI Rectangular tanks 50 gallons or less ship by UPS.

*51 gallon size has a bottom length of 55 inches (notched tank).

**58 gallon size has a bottom length of 51 inches (notched tank).

50 Gallon Fuel Transfer Tank with Pump

If you need a steel transfer tank that allows you to carry your choice of diesel, gasoline, methanol, ethanol, or kerosene, the 50 Transfer Tank is a great option.  This tank also comes with your choice of a 12V GPI fuel pump or a methanol pump. Both pump options are built-in to the tank.

Dimensions: 

  • 50 gallon – 54.38 inches long by 15.5 inches wide by 24.5 inches high 

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50 Gallon Diesel Transfer Tank for Truck Bed

Transfer Flow offers highly durable, steel fuel transfer tanks.  These tanks are specifically designed for diesel fuel.  All Transfer Flow tanks come with a black powder coat that provides superior corrosion resistance.

Transfer Flow tanks include two internal baffles to reduce fuel slosh.  This tank is designed to be compatible with all 6.5 foot and 8 foot diesel truck beds.

Dimensions:

  • 50 gallon: 54 inches long by 15.5 inches wide by 23.1 inches high.

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50 Gallon Aluminum Fuel Tank

ATTA offers an aluminum rectangular DOT approved transfer tank that provides extra fuel capacity for your truck bed.  Similar to ATI’s tank, you have your choice of fuel that can be used with this transfer tank.

Although ATTA doesn’t offer exactly 50 gallons, we have included a few options with different sizes that fall within the 50 gallon range:

ATTA Transfer Tank Dimensions: 

  • AT45RTF: 45 gallon – 60 inches long by 12 inches wide by 15 inches high
  • AT46RTF: 46 gallon – 32 inches long by 13 inches wide by 27 inches high
  • AT53RTF: 53 gallon – 51 inches long by 12 inches wide by 21 inches high

50 Gallon Truck Bed Fuel Tank

Fuelbox offers a highly customizable aluminum transfer tank that will fit in both short and long truck beds.  This transfer tank includes a tapered bottom design which provides extra flexibility for placing the tank in smaller bed spaces. 

You can pair your Fuelbox tank with a 13GPM transfer pump that is available as an optional add on accessory.  Fuelbox also lets you add on a diamond plate and / or a charcoal spray liner to your tank.

Dimensions: 

  • 50 gallon* – 60 inches long by 16 inches wide by 15 inches high.
  • *Notched bottom length is 48 inches.

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50 Gallon L Shaped Fuel Tank

L-shaped fuel transfer tanks are great options to pair with an existing truck toolbox or underneath other equipment you have on your truck.

You can also check out our full selection of L shaped fuel transfer tank options.

Dimensions:

  • 55 gallon – 53 inches long by 23.625 inches wide by 19 inches high

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Browse additional fuel tanks: