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How to fix trailer bucking?

Discussion in 'Expediter and Hot Shot Trucking Forum' started by 24kHotshot, Oct 25, 2019.

Page 2 of 2
  1. Oct 26, 2019 #11
    Cattleman84

    Cattleman84 Road Train Member

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    The Sticks, Idaho
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    If it is front to back jerking motion on an empty trailer it could be that the stiff suspension is working against you. The trailer could be lifting slightly off the ground... Then when it lands it gives a jerk... This can be a night mare on rough roads... Only solution in that case, that I know of, is to slow down.
     
    Cattleman84, Oct 26, 2019
    Cattleman84, Oct 26, 2019
    #11
    singlescrewshaker Thanks this.
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  3. Oct 26, 2019 #12
    24kHotshot

    24kHotshot Heavy Load Member

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    Feb 19, 2019
    New York
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    Yea I think the weight on the tail is causing it to go up and down and is the reason why I'm moving my ramps from the back to the side and building new extensions cause the current ones are extremely heavy. If moving the weight and adding airbags to the drive axle doesn't work then adding airbags and/or shocks to the trailer would be the next step.
    Slowing down doesn't help. It happens at 10mph and all the way to 70mph.
     
    24kHotshot, Oct 26, 2019
    24kHotshot, Oct 26, 2019
    #12
    Cattleman84 and singlescrewshaker Thank this.
  4. Oct 26, 2019 #13
    magoo68

    magoo68 Road Train Member

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    Jun 11, 2011
    st malo mb canada
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    No excess play in fifth wheel or bumper hitch..
     
    magoo68, Oct 26, 2019
    magoo68, Oct 26, 2019
    #13
    Cattleman84 and singlescrewshaker Thank this.
  5. Oct 26, 2019 #14
    singlescrewshaker

    singlescrewshaker Road Train Member

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    x2. My next thought was maybe slack in the 5th wheel..
     
    singlescrewshaker, Oct 26, 2019
    singlescrewshaker, Oct 26, 2019
    #14
    Cattleman84 and magoo68 Thank this.
  7. Oct 26, 2019 #15
    24kHotshot

    24kHotshot Heavy Load Member

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    Feb 19, 2019
    New York
    0
    5th wheel new and is tight and has only been used for 2 months. It was the first thing I checked. All other trailers I pulled where smooth. Pulled a friend's wedge for a 50 miles just to test it and it was 100% smooth. My previous heavier trailer was smooth also.
     
    24kHotshot, Oct 26, 2019
    24kHotshot, Oct 26, 2019
    #15
    singlescrewshaker Thanks this.
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