Front axle weight rating and legal weights I can scale?

Discussion in 'Experienced Truckers' Advice' started by Life on Wheels, Nov 24, 2022.

  1. Life on Wheels

    Life on Wheels Light Load Member

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    Aug 17, 2019
    New Orleans, Louisiana
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    If the steer axle is rated at 12,500 or 13,200 pounds, can you legally have that weight up front as long as the gross weight is 80k or less? (Assuming the tires are rated for the same weight as well)
    Some say you can’t go over 12k no matter what, but then what’s the point of having the 13,200 front end?

    12,700 steer
    33,800 drive
    32,500 trailer
    ——————
    79,000 gross
    Would this be legal if the steer axle was rated at 13,200?
     
    Rideandrepair Thanks this.
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  3. Animosus

    Animosus Medium Load Member

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    SE Wyoming
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    You are allowed 20,000 on a single axle in most places.

    I have a 20k steer and 20k steerable tag that both sit around 18,500 lb just driving around. My only issue that I have to be permitted for is being 37k empty on my drives, even with 52k rear ends.
     
    Last edited: Nov 24, 2022
  4. Long FLD

    Long FLD Road Train Member

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    If your axle is rated at 13200 and if you have H rated steer tires then you’d be legal with that weight on your steer. If your steer tires are G rated you would be overweight on your steers.
     
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  5. Life on Wheels

    Life on Wheels Light Load Member

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    New Orleans, Louisiana
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    You answered my question perfectly. Thank you. And happy thanksgiving, driver!
     
  6. Life on Wheels

    Life on Wheels Light Load Member

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    Aug 17, 2019
    New Orleans, Louisiana
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    That’s crazy that you need a permit even with the tag axle. I guess rules are rules though. Well and you said it’s 37k EMPTY, so loaded it must be considerably more.
     
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  7. snowwy

    snowwy Road Train Member

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    Your tires will tell you your weight rating.

    If they match your 13,200 rated steer axle. You're golden.

    12k is just a basic number to go with 34+34. NOT the rule.

    Some states however. Might have their own say. Like Oregon.
     
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  8. ducnut

    ducnut Heavy Load Member

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    Don’t just go by the letter identifier; physically read the tire’s rated weight capacity.

    Also, look into the motorcoach side of tire brands. You might find higher rated stuff, there, that isn’t listed on the commercial truck side.
     
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  9. Long FLD

    Long FLD Road Train Member

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    You can go over 12k on the steer in OR without issue.
     
  10. Life on Wheels

    Life on Wheels Light Load Member

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    New Orleans, Louisiana
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    That’s like an insider tip there! I know someone with an RV who has some kind of membership with Michelin, and gets discounts through them. Thanks!
     
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  11. Lazer

    Lazer Road Train Member

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    If I’m not mistaken, steer axle weight rules are different, between ‘tractor’ and ‘truck’.
     
  12. ducnut

    ducnut Heavy Load Member

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    I didn’t even think about the variety of RV memberships out there. You’ve stumbled onto a great idea! Haha.

    What made me think about motorcoaches was weight carrying capacity. In talking to several coach owners, over the years, they’ve repeatedly mentioned how heavy the front of a coach is and about how susceptible they are to blowouts. In researching tires, I’ve noticed some manufacturers have motorcoach-specific tire sections. Presumably, I’m thinking there might be some really heavy duty options available, without ever having looked. Not sure.
     
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