Why my truck jerks

Discussion in 'Ask An Owner Operator' started by Wajid8705, Aug 31, 2019.

  1. wis bang

    wis bang Road Train Member

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    Jan 12, 2011
    Levittown, PA
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    Older trucks were 'gear bound' while todays trucks focus on reducing rolling resistance.

    Old R model Macks with the Maxitorque 5 speed [signs said hill ahead; Macks downshift NOW!] and with only 5 gears the torque was hard to control in 1st gear when rolling over uneven surfaces.

    Part throttle caused surging as the bumps were transmitted to the throttle. The only smooth way was foot off the pedal -or- mashed down against the stop
     
    x1Heavy Thanks this.
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  3. x1Heavy

    x1Heavy Road Train Member

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    Walking beams took care of the uneven. I crawled a 6 speed over boulders twice daily at times.
     
  4. Wajid8705

    Wajid8705 Light Load Member

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    Jun 9, 2018
    North Carolina
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    Yes this is my trailer so it's same one always.

    I have no idea how old is the fifth wheel but it looks hooked up pretty good. The truck is 2002.

    And I see no light/space between trailer and the fifth wheel.
     
    stillwurkin Thanks this.
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