Lift axle size and spacing help....

Discussion in 'Ask An Owner Operator' started by baselp82, Dec 4, 2018.

  1. dirthaller

    dirthaller Road Train Member

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    To your first question, yes, you can achieve a weight rating of 46,500 on your rear tridem, but it would have to be loaded perfectly. (34,000+whatever the tires on your lift axle are rated for) which would help in states like Michigan and Florida.
     
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  3. Ruthless

    Ruthless Road Train Member

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    It wouldn’t permit as a tridem, with the lift down? I’d think it might need more rubber on that lift to be more useful in that respect.

    What do they let triaxles gross out that way as a max weight when properly spaced and specced?
     
  4. dirthaller

    dirthaller Road Train Member

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    Google “federal bridge table”
     
  5. dirthaller

    dirthaller Road Train Member

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    If he’s hauling non divisible loads, for example, one single steel plate that weighs 40,000, then all bets are off. He can be 60,000 on the rear tridem they way it currently is.
     
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  6. Ruthless

    Ruthless Road Train Member

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    Does Ohio, Michigan, pa, ky fall under those restrictions or they are grandfathered? Michigan has some tricky axle weight limits as I recall. Ohio seems to permit high, as does pa. Idk about Kentucky.


    AXLE WEIGHT GUIDELINES



    Based on that explanation it sounds like Ohio a setup as described should be good for #### near 80k?
     
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  7. dirthaller

    dirthaller Road Train Member

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    You may be right, I don’t run those states.
    In my T800, I rolled across the scales one day and had 43,000 on my rear tridem (legal) but I didn’t have enough air pressure in the lift axle and it put my drives at like 35,000. Barney made me correct it before he’d cut me loose.
     
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  8. dirthaller

    dirthaller Road Train Member

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    If PA and WV are anything like MI and OH, then I might be leading him astray.
    A 20,000 lift axle mounted in the correct location, might get him where he wants to be!
     
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  9. baselp82

    baselp82 Bobtail Member

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    This is so confusing, but to answer my tire ratings, front tires and the lift axle both have 315/80r22.5 all rated at 10k each per tire. Is there an easy way to figure out my payload then? I'm wondering can I actually carry more weight than I have been hauling with my current setup???
     
  10. Ruthless

    Ruthless Road Train Member

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    @Mattflat362 what can you gross on 3 axles out that way?
     
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  11. dirthaller

    dirthaller Road Train Member

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    Sorry but the short answer is.....depending on which state you’re talking about.
    In my neck of the woods, your truck is good for 62,500 if loaded perfectly.
     
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