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Rectangular Fuel Tanks

Browse our selection of rectangular transfer tanks, auxiliary tanks and tank toolbox combos for sale. Rectangle tank sizes range from 30 gallons up to 110 gallons. We offer both aluminum and steel tanks. These tanks are designed to easily fit inside your truck bed and are available with a range of dimensions that can fit a short bed or longer truck beds.

Use a rectangular transfer tank to dispense fuel with a fuel pump and a rectangle auxiliary tank to transfer diesel fuel to a diesel truck fuel tank.

  • Original price $655.88 - Original price $857.35
    Original price $655.88 - Original price $857.35
    Original price $655.88
    $557.50 - $728.75
    $557.50 - $728.75
    Current price $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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    Original price $655.88 - Original price $857.35
    Original price $655.88 - Original price $857.35
    Original price $655.88
    $557.50 - $728.75
    $557.50 - $728.75
    Current price $557.50
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  • Original price $644.12 - Original price $711.76
    Original price $644.12 - Original price $711.76
    Original price $644.12
    $547.50 - $605.00
    $547.50 - $605.00
    Current price $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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    Original price $644.12 - Original price $711.76
    Original price $644.12 - Original price $711.76
    Original price $644.12
    $547.50 - $605.00
    $547.50 - $605.00
    Current price $547.50
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  • Original price $675.00 - Original price $776.47
    Original price $675.00 - Original price $776.47
    Original price $675.00
    $573.75 - $660.00
    $573.75 - $660.00
    Current price $573.75

    ATI Rectangular Diesel Aluminum Auxiliary Tank

    Aluminum Tank Industries

    Aluminum Tank Industries rectangle aluminum auxiliary fuel tank is available in sizes that range from 30 gallons to 55 gallons.  These light weigh...

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    Original price $675.00 - Original price $776.47
    Original price $675.00 - Original price $776.47
    Original price $675.00
    $573.75 - $660.00
    $573.75 - $660.00
    Current price $573.75
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  • Original price $1,176.47 - Original price $1,325.00
    Original price $1,176.47 - Original price $1,325.00
    Original price $1,176.47
    $1,000.00 - $1,126.25
    $1,000.00 - $1,126.25
    Current price $1,000.00

    ATI Split Rectangle Refueling Transfer Tank

    Aluminum Tank Industries

    Aluminum Tank Industries Split Rectangle DOT approved Refueling Transfer Tanks are legal in all 50 states for gasoline, kerosene, methanol, diesel,...

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    Original price $1,176.47 - Original price $1,325.00
    Original price $1,176.47 - Original price $1,325.00
    Original price $1,176.47
    $1,000.00 - $1,126.25
    $1,000.00 - $1,126.25
    Current price $1,000.00
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  • Original price $1,666.79 - Original price $2,282.22
    Original price
    $1,666.79 - $2,282.22
    $1,666.79 - $2,282.22
    Current price $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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    Original price $1,666.79 - Original price $2,282.22
    Original price
    $1,666.79 - $2,282.22
    $1,666.79 - $2,282.22
    Current price $1,666.79
  • Original price $2,127.94 - Original price $2,285.29
    Original price $2,127.94 - Original price $2,285.29
    Original price $2,127.94
    $1,808.75 - $1,942.50
    $1,808.75 - $1,942.50
    Current price $1,808.75

    ATI Double Wall Refueling Transfer Tank

    Aluminum Tank Industries

    Aluminum Tank Industries rectangle double wall Refueling Transfer Tank are legal in all 50 states for gasoline, kerosene, methanol, diesel, and avi...

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    Original price $2,127.94 - Original price $2,285.29
    Original price $2,127.94 - Original price $2,285.29
    Original price $2,127.94
    $1,808.75 - $1,942.50
    $1,808.75 - $1,942.50
    Current price $1,808.75
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  • Original price $2,159.00 - Original price $2,299.00
    Original price $2,159.00 - Original price $2,299.00
    Original price $2,159.00
    $1,900.00 - $2,135.00
    $1,900.00 - $2,135.00
    Current price $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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    Original price $2,159.00 - Original price $2,299.00
    Original price $2,159.00 - Original price $2,299.00
    Original price $2,159.00
    $1,900.00 - $2,135.00
    $1,900.00 - $2,135.00
    Current price $1,900.00
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  • Original price $726.00 - Original price $1,214.00
    Original price $726.00 - Original price $1,214.00
    Original price $726.00
    $660.00 - $1,104.00
    $660.00 - $1,104.00
    Current price $660.00

    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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    Original price $726.00 - Original price $1,214.00
    Original price $726.00 - Original price $1,214.00
    Original price $726.00
    $660.00 - $1,104.00
    $660.00 - $1,104.00
    Current price $660.00
    Save up to 9% Save %
  • Original price $801.47 - Original price $864.71
    Original price $801.47 - Original price $864.71
    Original price $801.47
    $681.25 - $735.00
    $681.25 - $735.00
    Current price $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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    Original price $801.47 - Original price $864.71
    Original price $801.47 - Original price $864.71
    Original price $801.47
    $681.25 - $735.00
    $681.25 - $735.00
    Current price $681.25
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  • Original price $1,761.05 - Original price $1,761.05
    Original price
    $1,761.05
    $1,761.05 - $1,761.05
    Current price $1,761.05

    Transfer Flow Low Profile Under Tonneau Cover Transfer Tank

    Transfer Flow

    If you need a low profile fuel transfer tank that fits under most standard sized tonneau covers, Transfer Flow offers a 40 gallon tank with a 12V G...

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    Original price $1,761.05 - Original price $1,761.05
    Original price
    $1,761.05
    $1,761.05 - $1,761.05
    Current price $1,761.05
  • Original price $1,889.76 - Original price $2,177.82
    Original price
    $1,889.76 - $2,177.82
    $1,889.76 - $2,177.82
    Current price $1,889.76

    Transfer Flow In-Bed Auxiliary Fuel Tank System

    Transfer Flow

    The Transfer Flow In-Bed auxiliary fuel tank is designed to be compatible with almost any diesel truck, including half-ton pickups, trucks with uti...

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    Original price $1,889.76 - Original price $2,177.82
    Original price
    $1,889.76 - $2,177.82
    $1,889.76 - $2,177.82
    Current price $1,889.76
  • Original price $2,310.18 - Original price $3,149.14
    Original price
    $2,310.18 - $3,149.14
    $2,310.18 - $3,149.14
    Current price $2,310.18

    Transfer Flow Fuel Transfer Tank Tool Box Combo with Pump

    Transfer Flow

    The Transfer Flow Fuel Transfer Tank Toolbox Combo comes with a 12 volt GPI fuel transfer pump. The tank has a steel design and is available in 40 ...

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    Original price $2,310.18 - Original price $3,149.14
    Original price
    $2,310.18 - $3,149.14
    $2,310.18 - $3,149.14
    Current price $2,310.18
  • Original price $1,745.26 - Original price $1,870.62
    Original price
    $1,745.26 - $1,870.62
    $1,745.26 - $1,870.62
    Current price $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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    Original price $1,745.26 - Original price $1,870.62
    Original price
    $1,745.26 - $1,870.62
    $1,745.26 - $1,870.62
    Current price $1,745.26
  • Original price $2,159.00 - Original price $2,459.00
    Original price $2,159.00 - Original price $2,459.00
    Original price $2,159.00
    $1,900.00 - $2,285.00
    $1,900.00 - $2,285.00
    Current price $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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    Original price $2,159.00 - Original price $2,459.00
    Original price $2,159.00 - Original price $2,459.00
    Original price $2,159.00
    $1,900.00 - $2,285.00
    $1,900.00 - $2,285.00
    Current price $1,900.00
    Save up to 13% Save %
  • Original price $1,702.00
    Original price $1,702.00 - Original price $1,702.00
    Original price $1,702.00
    Current price $1,547.00
    $1,547.00 - $1,547.00
    Current price $1,547.00

    ATTA Sleeper Diesel Auxiliary Fuel Tank

    ATTA

    The aluminum ATTA Sleeper Diesel Auxiliary Fuel Tank is a 110 gallon rectangular aluminum auxiliary fuel tank designed to fit underneath a truck b...

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    Original price $1,702.00
    Original price $1,702.00 - Original price $1,702.00
    Original price $1,702.00
    Current price $1,547.00
    $1,547.00 - $1,547.00
    Current price $1,547.00
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  • Original price $1,899.00
    Original price $1,899.00 - Original price $1,899.00
    Original price $1,899.00
    Current price $1,726.00
    $1,726.00 - $1,726.00
    Current price $1,726.00

    ATTA Diesel Auxiliary Tank & Toolbox with Truck Bed Cooler

    ATTA

    The ATTA 32 gallon Diesel Auxiliary Tank & Toolbox combo includes space for a truck bed cooler. The ATTA Cool N Tool package comes with a Grizz...

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    Original price $1,899.00
    Original price $1,899.00 - Original price $1,899.00
    Original price $1,899.00
    Current price $1,726.00
    $1,726.00 - $1,726.00
    Current price $1,726.00
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  • Original price $1,434.00 - Original price $2,136.00
    Original price $1,434.00 - Original price $2,136.00
    Original price $1,434.00
    $1,304.00 - $1,942.00
    $1,304.00 - $1,942.00
    Current price $1,304.00

    ATTA Diesel Auxiliary Tank & Toolbox Combo (Short Bed)

    ATTA

    The aluminum ATTA diesel under tonneau auxiliary tank and toolbox short bed combo is designed for short bed trucks. The tank is constructed with ....

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    Original price $1,434.00 - Original price $2,136.00
    Original price $1,434.00 - Original price $2,136.00
    Original price $1,434.00
    $1,304.00 - $1,942.00
    $1,304.00 - $1,942.00
    Current price $1,304.00
    Save up to 9% Save %
  • Original price $1,144.12 - Original price $1,211.76
    Original price $1,144.12 - Original price $1,211.76
    Original price $1,144.12
    $972.50 - $1,030.00
    $972.50 - $1,030.00
    Current price $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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    Original price $1,144.12 - Original price $1,211.76
    Original price $1,144.12 - Original price $1,211.76
    Original price $1,144.12
    $972.50 - $1,030.00
    $972.50 - $1,030.00
    Current price $972.50
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  • Original price $2,939.10 - Original price $3,344.46
    Original price
    $2,939.10 - $3,344.46
    $2,939.10 - $3,344.46
    Current price $2,939.10

    Transfer Flow Split Fuel Refueling Transfer Tank

    Transfer Flow

    The Transfer Flow Split Fuel refueling transfer tank with transfer pump offers 100 gallons of total capacity split into two 50 gallon compartments....

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    Original price $2,939.10 - Original price $3,344.46
    Original price
    $2,939.10 - $3,344.46
    $2,939.10 - $3,344.46
    Current price $2,939.10
  • Original price $751.81 - Original price $812.07
    Original price
    $751.81 - $812.07
    $751.81 - $812.07
    Current price $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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    Original price $751.81 - Original price $812.07
    Original price
    $751.81 - $812.07
    $751.81 - $812.07
    Current price $751.81
  • Original price $2,467.73 - Original price $3,293.60
    Original price
    $2,467.73 - $3,293.60
    $2,467.73 - $3,293.60
    Current price $2,467.73

    Transfer Flow Auxiliary Fuel Tank Tool Box Combo

    Transfer Flow

    The Transfer Flow auxiliary fuel tank and toolbox combo is the best of both worlds, providing more fuel and secure storage for all your adventures....

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    Original price $2,467.73 - Original price $3,293.60
    Original price
    $2,467.73 - $3,293.60
    $2,467.73 - $3,293.60
    Current price $2,467.73
  • Original price $2,159.00 - Original price $2,359.00
    Original price $2,159.00 - Original price $2,359.00
    Original price $2,159.00
    $1,900.00 - $2,135.00
    $1,900.00 - $2,135.00
    Current price $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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    Original price $2,159.00 - Original price $2,359.00
    Original price $2,159.00 - Original price $2,359.00
    Original price $2,159.00
    $1,900.00 - $2,135.00
    $1,900.00 - $2,135.00
    Current price $1,900.00
    Save up to 12% Save %
  • Original price $2,459.00 - Original price $2,759.00
    Original price $2,459.00 - Original price $2,759.00
    Original price $2,459.00
    $2,300.00 - $2,500.00
    $2,300.00 - $2,500.00
    Current price $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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    Original price $2,459.00 - Original price $2,759.00
    Original price $2,459.00 - Original price $2,759.00
    Original price $2,459.00
    $2,300.00 - $2,500.00
    $2,300.00 - $2,500.00
    Current price $2,300.00
    Save up to 9% Save %
  • Original price $2,159.00 - Original price $2,499.00
    Original price $2,159.00 - Original price $2,499.00
    Original price $2,159.00
    $1,900.00 - $2,135.00
    $1,900.00 - $2,135.00
    Current price $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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    Original price $2,159.00 - Original price $2,499.00
    Original price $2,159.00 - Original price $2,499.00
    Original price $2,159.00
    $1,900.00 - $2,135.00
    $1,900.00 - $2,135.00
    Current price $1,900.00
    Save up to 15% Save %