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pto incidents

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by crane guy, Feb 19, 2020.

  1. Feb 19, 2020 #1
    crane guy

    crane guy Bobtail Member

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    Feb 19, 2020
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    I was wondering if there are any Documented cases of split shaft pto engaging while truck is moving causing dump box to go up or down, or blower vacuum to engage(this particular truck is a hydro-vac)
     
    crane guy, Feb 19, 2020
    crane guy, Feb 19, 2020
    #1
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  3. Feb 19, 2020 #2
    201

    201 Road Train Member

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    high plains colorado
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    None that I know of. The pto won't engage unless the transmission is stopped. I've never heard of a "synchromesh pto". Usually, it's driver error.
     
    201, Feb 19, 2020
    201, Feb 19, 2020
    #2
  4. Feb 19, 2020 #3
    Roberts450

    Roberts450 Road Train Member

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    Feb 6, 2016
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    If it has a hot shift PTO with it’s own clutch it can be engaged without stopping the transmission input shaft. It’s possible that the clutch is failing in the PTO but I’d still lean towards driver error.
     
    Roberts450, Feb 19, 2020
    Roberts450, Feb 19, 2020
    #3
  5. Feb 22, 2020 #4
    truckdriver31

    truckdriver31 Road Train Member

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    youtube full of pto shafts engaging
     
    truckdriver31, Feb 22, 2020
    truckdriver31, Feb 22, 2020
    #4
    201 Thanks this.
  7. Feb 22, 2020 #5
    201

    201 Road Train Member

    11,305
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    Apr 16, 2014
    high plains colorado
    0
    What an idiot, and you can't blame this one on drugs. I thought it was pretty funny, good thing the sign, and not the bridge. Once at one of my many dump truck jobs, the boss calls on the radio, "I just found a PTO power shaft laying in the road". Everybody pulled to the side and hopped out to make sure it wasn't theirs.:biggrin_25524:
     
    201, Feb 22, 2020
    201, Feb 22, 2020
    #5
    truckdriver31 Thanks this.
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