Adjusting air pressure on axles

Discussion in 'Heavy Haul Trucking Forum' started by Clasix1055, Apr 24, 2015.

  1. Clasix1055

    Clasix1055 Even when I'm wrong I'm right

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    Jan 26, 2012
    Toledo, Ohio
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    Anybody have any experience with quad axle trailers. How can you tell how much pressure to run for optimal weight distribution. I can scale 120,000 with 12 on steers 34 on drives and 18.5 on each trailer axle. I know if I am showing about 50 lbs on my suspension gauge I am about right on my drive weight but I have no clue on how to adjust the drops I asked someone else and he said he ran like 50 lbs on the front and 55 on the second well that didn't work because my drives were really light so I run 45 and 50 but I have no clue what the weights are. I have nowhere to axle weigh around here so I was just trying to see if anyone had a formula.
     
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  3. rank

    rank Road Train Member

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    Feb 11, 2010
    50 miles north of Rochester, NY
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    Do you have a gauge on the non lift axles?
     
  4. Clasix1055

    Clasix1055 Even when I'm wrong I'm right

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    Jan 26, 2012
    Toledo, Ohio
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    No .......just axles 1 and 2 ...... 3 and 4 are a regular 10'2 spread
     
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