How much PSI are you running in your tires?

Discussion in 'Ask An Owner Operator' started by John Bertucci, Sep 16, 2020.

  1. John Bertucci

    John Bertucci Light Load Member

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    I don't haul heavy freight everything I do is under 80,000 pounds. I have been told to run my tires at 100 PSI a while back and that is what I have always gone by. I recently read an article that improper inflation pressure on the tires is one of the highest expenses on a trucking company that can be avoided due to excessive wear and lowered fuel economy. But they never mentioned the proper inflation levels that could help avoid this cost, so it got me curious. Id would appreciate if someone could provide some reputable information.
     
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  3. Powder Joints

    Powder Joints Subjective Prognosticator

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    Depends on the tire, but usually I run 120 psi cold in my tires, I dont normally check actual air pressure on a hot tire, won't be accurate.
     
  4. blairandgretchen

    blairandgretchen Road Train Member

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  5. John Bertucci

    John Bertucci Light Load Member

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    thanks for your input, is there any reason why you run it at that pressure?
     
  6. Powder Joints

    Powder Joints Subjective Prognosticator

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    I have found that I get decent tire wear, also I run mostly out west here in the desert and over the years never had a problem. Low tire pressure will make your tire run hot, resulting in blowouts.
     
  7. Long FLD

    Long FLD Road Train Member

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    120 on steers and 110 in my drives also.
     
  8. Rideandrepair

    Rideandrepair Road Train Member

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    105 on Truck, 110 on Trailer. A little more, just before winter. Since the temp drop will cause a pressure loss.
     
  9. Midwest Trucker

    Midwest Trucker Road Train Member

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    100 psi but maybe I’m behind the times as well. I was always told 100 in steers and 95 in drives but that came from an old timer so maybe things have changed.
     
  10. Long FLD

    Long FLD Road Train Member

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    If you’re carrying max weight on your steers then they should be aired up to what the sidewall says for max load. That’s usually 110 or 120.
     
  11. 401-Alex

    401-Alex Light Load Member

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    I do 110 cold all around. Trailer has auto inflation system set at factory@100 thought it was ok till the shoulders on my tires were worn adjusted it it as close to 110 its 112 . ive tried 100 on steer and drive ive tried 120 110 on 14 ply seems best to me
     
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