Trailer skirts and mpg

Discussion in 'Experienced Truckers' Advice' started by DUNE-T, Jan 4, 2020.

Do trailer skirts improve mpg?

  1. Yes

    25 vote(s)
    58.1%
  2. No

    19 vote(s)
    44.2%
Multiple votes are allowed.
  1. DUNE-T

    DUNE-T Road Train Member

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    Based on your experience, do skirts improve mpg or no?
     
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  3. Tb0n3

    Tb0n3 Road Train Member

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    Well, they're lighter than pants.
     
  4. D.Tibbitt

    D.Tibbitt Road Train Member

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    Lmao that comment deserves a spot in the truck report hall of fame , thanks for the laugh
     
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  5. SteveScott

    SteveScott Road Train Member

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    Skirts make my putter flutter.
     
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  6. racemaxx24

    racemaxx24 Heavy Load Member

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    Jul 4, 2014
    East TN
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    I feel like if there’s any improvement it’s minimal, maybe more noticeable if you drive and have a truck set up for fuel mileage. Otherwise I think they’re just a pain in the rear
     
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  7. mustang190

    mustang190 Road Train Member

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    Florida Panhandle
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    That 000.1 gallon of fuel saved is offset by the price of those silly things.
     
  8. spyder7723

    spyder7723 Road Train Member

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    Im not sure how much it's the skirts, and how much it's everything else like low rolling resistance tires, but I definately get much better fuel mileage when pulling a newer trailer with all those doodads than when im pulling an older one with none of them.
     
  9. DUNE-T

    DUNE-T Road Train Member

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    May 10, 2015
    Detroit, MI
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    The reason I am asking, is I get a better fuel mileage with my Wabash trailer (with skirts) vs my Stoughton (without skirts). Both trailers are two years old and equally maintained.
    Wabash is 68k GVWR and Stoughton is 70k. I don't remember what the actual weight difference is between them.
    So basically I am trying to figure out what makes a difference, skirts, trailer weight or perhaps something else.
     
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  10. Moosetek13

    Moosetek13 Road Train Member

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    Burnsville, MN
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    They are supposed to help in windy conditions as well.
    Less air being blown under the trailer.

    I think that is well worth the skirts.
     
  11. TexasKGB

    TexasKGB Light Load Member

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    Oct 15, 2019
    Fiddler's Green
    0
    They help more than streamlining the undercarriage but, it's less than 5%.
     
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