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  1. #1
    Veteran Member Birdhunter1's Avatar
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    May 2004
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    1,114
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    Murphysboro, IL
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    Ford 3910

    Default HDPE Tank as a gasoline tank

    I am needing to replace a lawnmower tank and I came across this one:
    7 Gallon Black Tank 15"L X 8.5"W X 14.25"H (2-1/4" Neck) | U.S. Plastic Corp.

    It is HPDE, will it hold up to gasoline?

  2. #2
    Platinum Member High Compression's Avatar
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    Aug 2010
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    De Soto, KS
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    Kubota L5740-3/ Kubota ZD21 pro60

    Default Re: HDPE Tank as a gasoline tank

    Quote Originally Posted by Birdhunter1 View Post
    I am needing to replace a lawnmower tank and I came across this one:
    7 Gallon Black Tank 15"L X 8.5"W X 14.25"H (2-1/4" Neck) | U.S. Plastic Corp.

    It is HPDE, will it hold up to gasoline?
    I've installed miles of HDPE pipe in the last 15yrs. It's very resilient, but it does have one weakness and that is petroleum. Supposedly gasoline will not just eat right through it, but it will degrade the High Density Polyethylene over time. Maybe they have treated the HDPE resin with something to resist the petroleum degradation in this application. They didn't say specifically to be used as a gas tank, but they did say good for oil or hydraulic tank.
    "It is better to be thought a fool, than to open your mouth and prove it."

  3. #3
    Super Star Member LD1's Avatar
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    Apr 2008
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    Central Ohio
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    Kubota l3400

    Default Re: HDPE Tank as a gasoline tank

    Quote Originally Posted by High Compression View Post
    I've installed miles of HDPE pipe in the last 15yrs. It's very resilient, but it does have one weakness and that is petroleum. Supposedly gasoline will not just eat right through it, but it will degrade the High Density Polyethylene over time. Maybe they have treated the HDPE resin with something to resist the petroleum degradation in this application. They didn't say specifically to be used as a gas tank, but they did say good for oil or hydraulic tank.
    I dont see why he couldnt use it. Arent gas tanks on cars HDPE???
    And gas cans???
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


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  4. #4
    Super Member Gary Fowler's Avatar
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    Bismarck Arkansas
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    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: HDPE Tank as a gasoline tank

    I'm with LD1 on this, practically every fuel tank on cars, lawnmowers and tractors is HDPE now not to mention the 1-5 gallon cans for storage of gas and diesel. About the only thing I still see made of metal is the aluminum tanks on the big rig trucks.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  5. #5
    Super Member crazyal's Avatar
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    Dec 2003
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    Northern Vermont

    Default Re: HDPE Tank as a gasoline tank

    Are you sure HDPE tanks are being used on road vehicles? I know that motorcycles use HDPE tanks for off road use and metal for on road, or at least did a few years ago. Either way HDPE for a lawn mower would be fine.
    Kubota L4240,Case 580K backhoe, Case 450 Dozer

  6. #6
    Super Star Member LD1's Avatar
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    Central Ohio
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    Kubota l3400

    Default Re: HDPE Tank as a gasoline tank

    Quote Originally Posted by crazyal View Post
    Are you sure HDPE tanks are being used on road vehicles? I know that motorcycles use HDPE tanks for off road use and metal for on road, or at least did a few years ago. Either way HDPE for a lawn mower would be fine.
    Yep. Not many cars and trucks use metal tanks anymore. I'd say "most" are plastic
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
    Kubota L3400GST W/LA463 FEL
    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
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    3 Homemade wood hauling trailers
    Dolmar 6400 84cc ported
    Sachs-Dolmar 120SI Ported
    (4) Sachs-Dolmar 116SI Ported
    Dolmar PS540
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    Sachs-Dolmar 112

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