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Thread: Upgraded Fuel Tank

  1. Top Of Page | #1
    CARAM's Avatar

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    Upgraded Fuel Tank

    Howdy friend looking for some Intel on upgrading my fuel tank capacity and leaving the DEF tank on my 2018 2500.

    I understand it’s possible to increase the size of the factory fuel tank with a replacement and add a 40 gallon tank in the bed.

    I’m running a puck system fifth wheel that only gives me 15 inches from the front of the bed wall.


    Sent from my iPhone using Tapatalk


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  3. Top Of Page | #2
    Old... But Still Here! AnOldBiker's Avatar

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    Re: Upgraded Fuel Tank

    Try Titan tank for a plastic tank. https://titanfueltanks.com/
    Metal: https://www.transferflow.com/

    But either plastic or metal, they are far from cheap.



    Jim


    2006 ~ 2500HD, Big Horn Edition, 5.9, 4x4, Q/Cab, 48RE, L/B, 3.73, S&B CAI & Snout, ProFlo 5" S/S exhaust, Smarty Touch, Oil ByPass Kit, 60 gal main tank, 110 gallon in-bed tank, XX-Fuel Filter System, Coolant Bypass Kit, Mag-Hytec front & rear end covers and trans pan, 285 x 70 x 17

    "Freedom is never more than one generation away from extinction. We didn't pass it to our children in the bloodstream. It must be fought for, protected, and handed on for them to do the same, or one day we will spend our sunset years telling our children and our children’s children what it was once like in the United States, where men 'were' free." ~ Ronald Regan

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  5. Top Of Page | #3

    Re: Upgraded Fuel Tank

    Quote Originally Posted by CARAM View Post
    Howdy friend looking for some Intel on upgrading my fuel tank capacity and leaving the DEF tank on my 2018 2500.

    I understand it’s possible to increase the size of the factory fuel tank with a replacement and add a 40 gallon tank in the bed.

    I’m running a puck system fifth wheel that only gives me 15 inches from the front of the bed wall.


    Sent from my iPhone using Tapatalk
    S&B has a 52 gallon tank.


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  7. Top Of Page | #4
    Capt543's Avatar

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    Re: Upgraded Fuel Tank

    I have a Titan 90 gallon in the bed.


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  9. Top Of Page | #5
    Thomas1960's Avatar

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    Re: Upgraded Fuel Tank

    I have 50 gallon Titan Treeker and so far like it.


  10. Top Of Page | #6
    I WILL STAND! AK Bob's Avatar

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    Re: Upgraded Fuel Tank

    Mine is a Transfer-Flow 50 gallon in bed tank.

    Aluminum diamond plate without toolbox, apparently no longer available.

    Works great and sits lower than bed rails, no complaints.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.

    Sent from my iPad using Tapatalk

    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

  11. Top Of Page | #7
    N6462V's Avatar

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    Re: Upgraded Fuel Tank

    I run an ATTA wedge tank 78 gallons in the bed. The automatic system is great fuel gauge hits 3/4 and it refills the tank


    Sent from my iPhone using Tapatalk

    2015 2500 Laramie Crew Cab 4x4 Longbed, 68RFE, DRD Lite, 30" FTE resonator, 78 gallon ATTA wedge Aux tank with auto fill and pillar mount gauge.

  12. Top Of Page | #8
    z28-50's Avatar

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    Re: Upgraded Fuel Tank

    Quote Originally Posted by Thomas1960 View Post
    I have 50 gallon Titan Teeker and so far like it.
    @Thomas1960

    Is this a replacement tank or an in bed tank?

    If it is a replacement were you able to change the tank capacity via programming so your distance to empty and range are correct?

    Last edited by z28-50; 10-29-2020 at 12:14 PM. Reason: spelling
    2015 / RAM / 2500 CTD-68RFE-4wd / 3.42 / stock tire size / Silver / Bighorn

  13. Top Of Page | #9
    Thomas1960's Avatar

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    Re: Upgraded Fuel Tank

    bed tank, has pump you turn on in cab to fill main tank. still have room for fifthwheel hitch


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  15. Top Of Page | #10
    MOD watersupply189's Avatar

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    Re: Upgraded Fuel Tank

    Quote Originally Posted by Thomas1960 View Post
    bed tank, has pump you turn on in cab to fill main tank. still have room for fifthwheel hitch
    Do you have any pictures of this setup?

    Sounds like an interesting idea.


    2016 Ram 3500 CC 4x4, G56, Dr. DRD medically cured!

    2016 RAM 3500 4x4 Laramie Crew Cab
    Cummins,G56, Rough Country level, Morimoto LED fog lights, LED headlights, Lund Attitude Steps sprayed with Line-X, DRL's Activated, 35x12.50R18 Falken Wildpeak ATW3, Fuel Vapor Wheels Matte Black w/Dark Tint, A.R.E. Truck cap and swing boxes

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