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  1. #1
    Silver Member
    Join Date
    Aug 2004
    Posts
    133
    Location
    Southern Wisconsin
    Tractor
    New Holland TC33DA hydro w/supersteer

    Default how long can I store diesel fuel before it goes bad?

    How long does it take before the fuel deteriorates?

    If I add a product like Power Service, how long then?

  2. #2
    Veteran Member kevinj's Avatar
    Join Date
    Jul 2003
    Posts
    1,357
    Location
    West MI
    Tractor
    BX-1860, L3940HSTC, B7500, Farmall M, Farmall 560D

    Default Re: how long can I store diesel fuel before it goes bad?

    Quote Originally Posted by adlertom
    How long does it take before the fuel deteriorates?

    If I add a product like Power Service, how long then?
    Try the search function, type in "diesel fuel storage" and read a spell.
    Kevin

    BX1860, mower, snowblower - B7500HST, FEL, Bush Hog - Grand L3940 HSTC, FEL, snowblower, 6' Landpride brush hog, 6' King Kutter tiller, Corn Pro 18+5 Fifth Wheel, 1950 Farmall M, Farmall 560D

  3. #3
    Elite Member Skyco's Avatar
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    Jul 2007
    Posts
    2,718
    Location
    SC/NC

    Default Re: how long can I store diesel fuel before it goes bad?

    adlertom- The typical Power Service usually seen in stores isn't the one you need for fuel storage. They say to use this one- Clear-Diesel Fuel & Tank Cleaner Power Service Products, diesel fuel additives, prevent gelling, clean injectors, disperse water, boost cetane, reduce emissions, improve fuel economy

    I've never seen it anywhere that sells the silver or white bottle Power Service.

  4. #4
    Silver Member jayhaitch's Avatar
    Join Date
    Jul 2004
    Posts
    246
    Location
    Manitoba Canada
    Tractor
    MF GC2310 TLB

    Default Re: how long can I store diesel fuel before it goes bad?

    I use PRI-G for gasoline stabilization. Love it. They have a diesel product PRI-D which I haven't used as it's not available in Canada, unfortunately.

    PRI Advanced Fuel Treatments
    Ora et labora.

  5. #5
    Veteran Member
    Join Date
    Sep 2001
    Posts
    1,771
    Location
    Kansas
    Tractor
    Kubota L3000DT

    Default Re: how long can I store diesel fuel before it goes bad?

    Diesel will store for a long time, much better than gas IF it does not have enough water in it to support bacterial growth.

    Several years, easily.
    Meetings: If more than two people are there, at least one's time is being wasted.

  6. #6
    Elite Member RalphVa's Avatar
    Join Date
    Dec 2003
    Posts
    4,515
    Location
    Charlottesville, VA, USA
    Tractor
    JD 2025R, previously Gravely 5650 & JD 4010 & JD 1025R

    Default Re: how long can I store diesel fuel before it goes bad?

    The diesel in the tank of my Benz was light brown after being stored for 4 1/2 years. Had to use Techron Red Line to stop the pinging at constant speed that resulted. Have used this additive twice in its 24 year life for the same reason: to stop that constant speed ping. Otherwise, I occasionally throw in some PS (but VERY rare) into its tank. Don't really think you need an additive unless some symptoms show up.

    Ralph
    The natural gardener
    God's original intent

  7. #7
    Elite Member SnowRidge's Avatar
    Join Date
    Jul 2003
    Posts
    3,091
    Location
    East Tennessee
    Tractor
    Power Trac PT-425 / Branson 3520

    Default Re: how long can I store diesel fuel before it goes bad?

    Diesels in backup power service have large tanks that sit there full until the power goes out. Unless the outage is extended, the fuel may well sit in the tank for many years without being used, except for the occasional maintenance running.

    I have had diesel fuel sit in a boat for at least six years that ran the engine fine. Nothing was done to it except the addition of a biocide when the tanks were filled.

  8. #8
    Bronze Member dutchman56's Avatar
    Join Date
    Feb 2007
    Posts
    59
    Location
    Northern Ontario
    Tractor
    L4630GSTC

    Default Re: how long can I store diesel fuel before it goes bad?

    Not recommended but this spring I helped my father inlaw to get a 1945ish international TD6 dozer ready for a buyer. This machine sat for close to 10years he said. The tank was close to full. he cleaned the gas side which is the starting side and put in a battery. It started on the gas cycle and we had to keep trying the switch to the diesel cycle which on this machine means compress the engine and switch from carb to diesel pump. Each time it ran a bit more and after about a 1/2 hour it ran on its own but could not rev up engine. The next day after playing with machine of and on for several times it walked onto float on its own power and still on that 10 year fuel.

  9. #9
    Super Star Member
    Join Date
    Apr 2001
    Posts
    11,989
    Location
    PA
    Tractor
    NH TC25D

    Default Re: how long can I store diesel fuel before it goes bad?

    Quote Originally Posted by RalphVa
    Don't really think you need an additive unless some symptoms show up.
    After the fuel has gelled, an additive wont help.

  10. #10
    Elite Member Skyco's Avatar
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    Jul 2007
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    2,718
    Location
    SC/NC

    Default Re: how long can I store diesel fuel before it goes bad?

    Quote Originally Posted by MikePA
    After the fuel has gelled, an additive wont help.
    Might want to look at this-Power Service 9-1-1
    The spec sheet says- "Reliquefies gelled fuel in minutes"
    Can't vouch for it, never have used it.

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