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6×2 question

Discussion in 'Ask An Owner Operator' started by feldsforever, Oct 2, 2020.

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  1. Oct 2, 2020 #1
    feldsforever

    feldsforever Road Train Member

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    I don't get why I'm always spinning. At first I thought the actual drive axel was coming off the ground. But there is constant connection to the ground. When I lock in the diff both sides just spin.
    This truck has super singles, some one suggested running 15-20 lbs less air on each drive tire. This is to have more tire on the ground, more contact equals more traction.
    Has any one eles heard of this? Or have other tips or tricks?
     
    feldsforever, Oct 2, 2020
    feldsforever, Oct 2, 2020
    #1
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  3. Oct 2, 2020 #2
    Ruthless

    Ruthless Road Train Member

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    The City.
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    Lift the dummy.
     
    Ruthless, Oct 2, 2020
    Ruthless, Oct 2, 2020
    #2
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  4. Oct 2, 2020 #3
    stillwurkin

    stillwurkin Road Train Member

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    If it won't lift drop the air on the dead axle.
     
    stillwurkin, Oct 2, 2020
    stillwurkin, Oct 2, 2020
    #3
    wore out, daf105paccar and feldsforever Thank this.
  5. Oct 2, 2020 #4
    201

    201 Road Train Member

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    high plains colorado
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    Is it a KW? They had or have a funky traction system that I hated.
     
    201, Oct 2, 2020
    201, Oct 2, 2020
    #4
    feldsforever Thanks this.
  7. Oct 2, 2020 #5
    feldsforever

    feldsforever Road Train Member

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    Sorry I should have added that. Wasn't 100% caffeinated when I posted.
    2016 cascadia dd13. Auto. The dummy don't lift.
     
    feldsforever, Oct 2, 2020
    feldsforever, Oct 2, 2020
    #5
    D.Tibbitt and 201 Thank this.
  8. Oct 2, 2020 #6
    feldsforever

    feldsforever Road Train Member

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    So, I was about to let the air out as suggested. When I noticed the power axle (front drive) rubbers where taller

    They are brand new as of last Wednesday. Will deflating the dummy still work.?
     
    feldsforever, Oct 2, 2020
    feldsforever, Oct 2, 2020
    #6
  9. Oct 2, 2020 #7
    God prefers Diesels

    God prefers Diesels Road Train Member

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    The air bags equalize until you have the same ground pressure at each tire. They don't even know your tires are different sizes. So once you relieve that pressure, it will put more weight on the drives, regardless of tire size. So even though they're still on the ground, they aren't "pushing down on the ground" anymore.
     
    God prefers Diesels, Oct 2, 2020
    God prefers Diesels, Oct 2, 2020
    #7
    stillwurkin and feldsforever Thank this.
  10. Oct 2, 2020 #8
    nikmirbre

    nikmirbre Road Train Member

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    High Point NC
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    nikmirbre, Oct 2, 2020
    nikmirbre, Oct 2, 2020
    #8
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  11. Oct 2, 2020 #9
    daf105paccar

    daf105paccar Road Train Member

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    Pls explain how that works.
     
    daf105paccar, Oct 2, 2020
    daf105paccar, Oct 2, 2020
    #9
    feldsforever Thanks this.
  12. Oct 2, 2020 #10
    God prefers Diesels

    God prefers Diesels Road Train Member

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    For air bags to be equal in pressure, they need an equal amount of opposite pressure. So they should all be pushing down on the axles with the same amount of force. Am I wrong in this? I'm not always the sharpest tool in the shed, and I'm not afraid to admit it, if I'm wrong. I'd rather get it right, than be posting misinformation.
     
    God prefers Diesels, Oct 2, 2020
    God prefers Diesels, Oct 2, 2020
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