Trailer got 24.5 truck has 22.5

Discussion in 'Ask An Owner Operator' started by Prabhjot8, Jul 12, 2020.

  1. Prabhjot8

    Prabhjot8 Bobtail Member

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    I have 2015 cascadia with 22.5 wheel size and my trailer has 24.5 wheels should I change them to 22.5? Can anyone tell me if that can affect fuel mileage? As of what I’ve noticed my fuel mileage went down but I don’t know if that’s the reason. Help pls
     
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  3. Ridgeline

    Ridgeline Road Train Member

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    The size difference should not affect your mileage, your rolling resistance may.
     
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  4. daf105paccar

    daf105paccar Road Train Member

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    Does your trailer run level?
     
  5. snowwy

    snowwy Road Train Member

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    Shouldn't affect your fuel.

    It'll affect your brakes though.

    Trailer drums spinning slower then truck drums.

    I have the same dillema. Drives and drop axle are 22. All other tires are 24.
     
    Last edited: Jul 12, 2020
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  6. Old Man

    Old Man Road Train Member

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    My truck has tall rubber(24.5) and my trailer is on 255/22.5.
    It’s not a problem.
     
  7. Prabhjot8

    Prabhjot8 Bobtail Member

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    I don’t know to be honest
     
  8. daf105paccar

    daf105paccar Road Train Member

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    That's the first step...............looking how level the trailer rides.
    After you know that ,the rest can be discussed.
     
  9. Prabhjot8

    Prabhjot8 Bobtail Member

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    I will take a look at it . Trailer take should be higher I think
     
  10. Long FLD

    Long FLD Road Train Member

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    What type of trailer? Unless it’s a tank of some sort or a livestock trailer I wouldn’t worry about it sitting perfectly level. On most trailers running taller tires than your truck won’t be a big deal at all. It will just bother your OCD if you’re like I am.
     
  11. daf105paccar

    daf105paccar Road Train Member

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    If it is a spread axle it might lead to the rear axle locking up more then the first axle when empty.
     
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