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Weight/load chart for inflating retread tires?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by tinhunter, Jan 10, 2022.

  1. Jan 10, 2022 #1
    tinhunter

    tinhunter Bobtail Member

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    I've read several posts that inflation is key to prolong the life of retreads, but I can't find any load/psi charts specifically for retreads.

    We just installed 8 new retreaded drives on our Freightliner FLA which will run light most of the time.

    Should I just set the pressure at 100-105psi and leave it? Or should I change pressures depending on load? Our casings are all domestic Michelin and Dunlop if that makes a difference.
     
    tinhunter, Jan 10, 2022
    tinhunter, Jan 10, 2022
    #1
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  3. Jan 10, 2022 #2
    Big Road Skateboard

    Big Road Skateboard Road Train Member

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    105-110 and leave it.
     
    Big Road Skateboard, Jan 10, 2022
    Big Road Skateboard, Jan 10, 2022
    #2
    AModelCat, Goodysnap and tinhunter Thank this.
  4. Jan 10, 2022 #3
    Luwi67

    Luwi67 Heavy Load Member

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    90-steer, 75-drive, 90-spread axle for me according to Michelin load chart. Mine aren't retreads though.
     
    Luwi67, Jan 10, 2022
    Luwi67, Jan 10, 2022
    #3
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  5. Jan 10, 2022 #4
    BoxCarKidd

    BoxCarKidd Road Train Member

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    Tire pressure for retreads should be same as new tires.
    Ryder has a lot of trucks and I see some of them with stickers for 85 PSI on tandem drives. Must be OK?
    I do know low air pressure for the load generates extra heat. Run air pressure for the maximum weight you haul. In normal use I cannot justify the time adjusting air pressure. Normally I run 100 PSI.
    A buddy of mine is all about mileage. He runs maximum air pressure the tire is rated for. That is 120 PSI with some. He figures any reduced tire life is paid for by fuel mileage. I see no more tire failure problems than average with him doing that.
     
    BoxCarKidd, Jan 10, 2022
    BoxCarKidd, Jan 10, 2022
    #4
    tinhunter Thanks this.
  7. Jan 15, 2022 #5
    Brettj3876

    Brettj3876 Road Train Member

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    100 steers, 90 on drives and trailer. Every operation is different do what's best for you. I hardly pull any weight around
     
    Brettj3876, Jan 15, 2022
    Brettj3876, Jan 15, 2022
    #5
  8. Jan 16, 2022 #6
    thaistick

    thaistick Road Train Member

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    There is no maximum psi listed for commercial truck tires....the sidewall psi listed is the minimum psi at that given load (lbs).
     
    thaistick, Jan 16, 2022
    thaistick, Jan 16, 2022
    #6
  9. Jan 16, 2022 #7
    BoxCarKidd

    BoxCarKidd Road Train Member

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    As an example: Bridgestone - TBR - Load - And - Inflation - Tables - 08 - 08 - 2018.pdf
    Note at the bottom: Letters in parentheses denote maximum loads and inflations. Most all commercial truck tires are rated at 120 PSI or less. Rims also have there own maximum ratings.
     
    BoxCarKidd, Jan 16, 2022
    BoxCarKidd, Jan 16, 2022
    #7
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