Dogtracking

Discussion in 'Questions From New Drivers' started by Kittyfoot, Mar 28, 2012.

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  1. Mar 28, 2012 #1
    Kittyfoot

    Kittyfoot Crusty Ancient

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    This is a term that nobody seems to know anymore. So let's clue y'all in.

    Dogtacking basically means the back of your trailer is running off-center to your tractor; the trailer tires are not running in the same tracks as your tractor tandems. This is a problem and is usually caused by trouble in your trailer suspension; possible broken centerbolt in the springs or a broken or loose track arm. It's no joke and something to take seriously so don't just shrug if somebody hollers on the CB and says "Hey ------, that trailer's dogtracking a good foot to the right".

    Could even be a broken trailer frame. Get it checked asap.

    If you're wondering where the term comes from, watch a dog trotting away from you. His butt is offline with his front shoulders.
     
    Kittyfoot, Mar 28, 2012
    Kittyfoot, Mar 28, 2012
    #1
    6Shooter and Squirel Thank this.
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  3. Mar 29, 2012 #2
    Scuby

    Scuby Heavy Load Member

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    Kittyfoot it could also simply mean the tandems aren't aligned.
     
    Scuby, Mar 29, 2012
    Scuby, Mar 29, 2012
    #2
  4. Mar 29, 2012 #3
    Kittyfoot

    Kittyfoot Crusty Ancient

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    'Splain that one driver; we're trying to educate here.
     
    Kittyfoot, Mar 29, 2012
    Kittyfoot, Mar 29, 2012
    #3
  5. Mar 29, 2012 #4
    Squirel

    Squirel Crusty Critter

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    Thank you Kittyfoot :)
     
    Squirel, Mar 29, 2012
    Squirel, Mar 29, 2012
    #4
  7. Mar 29, 2012 #5
    Kittyfoot

    Kittyfoot Crusty Ancient

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    Y'welcome.
     
    Kittyfoot, Mar 29, 2012
    Kittyfoot, Mar 29, 2012
    #5
  8. Mar 29, 2012 #6
    wis bang

    wis bang Road Train Member

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    Every trailer axle has a fixed length torque arm holding it in position on one side and and adjustible one holding the opposite side.

    A plumb bob is dropped fromthe kingpin to show the front center and the adjustment is moved until the measurement from this front center point to the end of each axle is the same.

    A trailer running doggie wears tires funny.

    Tractor tandems also should be checked for alignment. I had one that ate up steer tires in 75 - 80K until we had an three axle alignment.
     
    wis bang, Mar 29, 2012
    wis bang, Mar 29, 2012
    #6
    Lonesome, ricrey99 and Kittyfoot Thank this.
  9. Mar 29, 2012 #7
    Working Class Patriot

    Working Class Patriot Road Train Member

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    Spreads "wear funny" no matter what...And that's not really funny....:biggrin_25510:
     
    Working Class Patriot, Mar 29, 2012
    Working Class Patriot, Mar 29, 2012
    #7
  10. Mar 29, 2012 #8
    windsmith

    windsmith Road Train Member

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    Thing is, they WERE aligned at some point, and the only thing that will change that alignment is when something becomes damaged or worn to the point of being dangerous.
     
    windsmith, Mar 29, 2012
    windsmith, Mar 29, 2012
    #8
  11. Mar 29, 2012 #9
    FLATBED

    FLATBED Road Train Member

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    I take all new equipment TRACTOR or TRAILER in for a proper axle alignment , learnt not to put any faith in what comes from the factory.
     
    FLATBED, Mar 29, 2012
    FLATBED, Mar 29, 2012
    #9
    Gundermin Thanks this.
  12. Mar 29, 2012 #10
    Bob The Dinosaur

    Bob The Dinosaur Light Load Member

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    Just got a kennyboxer take delivery monday go to the shop immedietely to check alignment
     
    Bob The Dinosaur, Mar 29, 2012
    Bob The Dinosaur, Mar 29, 2012
    #10
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