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Different tire size on Rear axles

Discussion in 'Ask An Owner Operator' started by Brandon0928, Jul 28, 2022.

  1. Jul 28, 2022 #1
    Brandon0928

    Brandon0928 Light Load Member

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    Just bought a truck and On the back rear axle they have 295/75r22.5 and the front rear axle is 275/80r22.5. The rear axle seems like the tires are quite a bit wider. Should I be real concerned about this ?
     
    Brandon0928, Jul 28, 2022
    Brandon0928, Jul 28, 2022
    #1
    Rideandrepair Thanks this.
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  3. Jul 28, 2022 #2
    Flying V

    Flying V Bobtail Member

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    Jul 28, 2022
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    No, they are interchangeable.

    Michelin primarily uses the 275 size, but almost everyone else uses the 295 size.

    The 295's will be a little wider, but the Overall Diameter is indistinguishable and has almost no effect on wear. Just keep them inflated!
     
    Flying V, Jul 28, 2022
    Flying V, Jul 28, 2022
    #2
    Rideandrepair, Brandon0928 and Bean Jr. Thank this.
  4. Jul 28, 2022 #3
    abyliks

    abyliks Road Train Member

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    They are the same, although if they couldn’t put a match set of drives on the truck I’d love to know what other corners they hacked as well….
     
    abyliks, Jul 28, 2022
    abyliks, Jul 28, 2022
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    ProfessionalNoticer, Rideandrepair, AModelCat and 1 other person Thank this.
  5. Jul 28, 2022 #4
    Brandon0928

    Brandon0928 Light Load Member

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    Thanks for the reply ! Is there a reasoning behind that ? Seems a little silly why everyone else would use 295s!
     
    Brandon0928, Jul 28, 2022
    Brandon0928, Jul 28, 2022
    #4
  7. Jul 28, 2022 #5
    Brandon0928

    Brandon0928 Light Load Member

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    I will let you know the more things that find along the way! LOL Hopefully it’s minimal!
     
    Brandon0928, Jul 28, 2022
    Brandon0928, Jul 28, 2022
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    Rideandrepair Thanks this.
  8. Jul 28, 2022 #6
    Flying V

    Flying V Bobtail Member

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    I'm sure there are many reasons that I don't know, but I think it comes down to the Manufacturers determining which size performed better for them in their testing and development. Continental and BF Goodrich (BFG is Michelin Owned) used to be 100% on the 275/80 size, but have both moved to 295/75 and I've seen some Michelin 295/75 I believe.
     
    Flying V, Jul 28, 2022
    Flying V, Jul 28, 2022
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    Rideandrepair and Brandon0928 Thank this.
  9. Jul 28, 2022 #7
    SmallPackage

    SmallPackage Road Train Member

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    Marion Texas
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    It’s called a plus size fitment. You get a wider tread at the same diameter. Bigger footprint with the same height.
     
    SmallPackage, Jul 28, 2022
    SmallPackage, Jul 28, 2022
    #7
    Flying V, Rideandrepair and Brandon0928 Thank this.
  10. Jul 31, 2022 #8
    Magoo1968

    Magoo1968 Road Train Member

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    The bigger footprint comes in handy up here in Canada where many places determine spring weight restrictions by the mm width of the tire ..
     
    Magoo1968, Jul 31, 2022
    Magoo1968, Jul 31, 2022
    #8
    Brandon0928 and Flying V Thank this.
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