UnderTray Systems, Do they work?

Discussion in 'Ask An Owner Operator' started by SemiMan, Jul 27, 2013.

  1. SemiMan

    SemiMan Light Load Member

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    May 21, 2013
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  3. Rawze

    Rawze Medium Load Member

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    818
    Jun 29, 2013
    inmytruck
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    side skirts are cheaper and work better overall, hands down. Get some good solid sideskirts, rim covers, fuel efficient tires, and a tire inflation system. You can't go wrong with those choices.
     
  4. Richter

    Richter Road Train Member

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    Feb 13, 2012
    Philadelphia Pa
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    They help, but as Rawze mentioned, side skirts are better.

    I'm buying a trailer soon. It will be specked with:

    Side skirts (areo flex max from freight wing) 8.4% savings
    Gap Fairings (Freght wing) 1-2% savings
    Trailer Tail (ATDynamics) 6.6% savings
    Michelin XONE XTA Energy tires Unknown savings
    Tire Covers Unknown savings
    Micro Blue bearings 3-6% mpg savings

    With all that I should be able to save 15-20% of my fuel. That will end up saving me over 10k/year.
     
  5. SamTheMan

    SamTheMan Light Load Member

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    Jun 20, 2013
    0
    Micro Blue is snake oil. Their claims are not proven.
     
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