DOT number vs actual weight confusion

Discussion in 'Questions From New Drivers' started by Whitemike, Dec 29, 2021.

  1. Whitemike

    Whitemike Bobtail Member

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    I have my class A and I work for a utility that regularly tows heavy equipment via crane trucks with air brakes etc., trucking is not my trade, it is just part of my job occasionally….

    I am in Washington state and regularly drive trucks that are licensed to tow X amount of weight but are not always towing trailers. For example a 1.5 ton pickup that weighs 13,000 as it crosses the scales with no trailer or load in the back and similarly a tool truck loaded with tools and significantly less than 26,000 lbs which also never tows a trailer. There is confusion in my department that these trucks require a class B to drive even without a trailer and a class A to drive when towing equipment, which i completely understand that requirement but the class B has me confused. Some are saying that the DOT number on the door of the truck is what matters, not the weight of the truck. So the 1.5 ton pickup is licensed to tow however much per the DOT number and even when it is unloaded and not towing it is still required to go through the scales and for the driver to carry at least a class B and same with the tool truck. Is there any truth to this? A 13,000 lb pickup requires a class B and has to cross the scales?
     
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  3. truckdriver31

    truckdriver31 Road Train Member

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    2B14AED4-6BCF-4BA5-8A72-66BAE23DEC59.jpeg 2B14AED4-6BCF-4BA5-8A72-66BAE23DEC59.jpeg this was the weight on my bills the other day
     
  4. tscottme

    tscottme Road Train Member

    I don't know much about CDL B because I'm a CDL A driver. But I know the weight that could determine the answer to your question is the Gross Vehicle Weight Rating GVWR or the Gross Combination Weight Rating GCWR. That's to say the actual and measured weight of any one load on any particular day is irrelevant. What matters is the factory's declaration of the capacity to haul weight that matters. So for semi-trucks, the fact it is certified to haul a combination weight of up to 80,000 pounds (or anything over 26,001 pounds) is the weight that matters. If I happen to be driving my truck empty, or loaded, to some weight well below that maximum weight rating it doesn't change the fact that I need a CDL to drive it on public roads. Look at the GVWR of your truck and the GVWR of any trailer. Frankly, I don't know if having a DOT number displayed triggers the need for a CDL of the appropriate class.
     
  5. Whitemike

    Whitemike Bobtail Member

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    Dec 29, 2021
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    A class B is required for a single vehicle over 26,000 lbs, no trailer. The GVWR for the truck I’m asking about is 12,750. The GCWR is 40,000. That’s what has has me confused, with a class B I could drive a bobtail tractor, but In order to pull a trailer that weighs more than 10,000 lbs I would need a class A. So with a class B I could drive a tractor that was rated to tow an 80,000 lb trailer
     
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  6. ZVar

    ZVar Road Train Member

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    First, actual weight and what's on the truck.trailer doesn't matter. It's 98% about the weight rating of the vehicles. (The 2% is a made up number to represent that vehicles that are overloaded beyond the weight rating have special requirements.)
    Here is a link to Washington's CDL flowchart, so you get it from the horse's mouth...
    https://www.dol.wa.gov/driverslicense/cdlrequired.html

    Now that all stated, well no one can answer the question because you didn't give any weight ratings... You will need the weight ratings from the vehicles (including trailers) to answer the question.
     
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  7. wis bang

    wis bang Road Train Member

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    Remember that pickup and tool truck, both under 26000# GVWR are both still commercial vehicles and require a medical certification for a non cdl operator.

    Just having a dot number on the door does not require a CDL until you add a trailer over 10K...
     
  8. Pamela1990

    Pamela1990 Road Train Member

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    Bit off topic, but what pickup weighs 13,000 empty.
     
  9. seagreg

    seagreg Light Load Member

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    GVWR and gross vehicle weight (GVW) are often thought to be the same, but they are not. A truck’s GVWR is the maximum weight rating from the manufacturer. GVW is the total weight of the truck and payload at a point in time.

    Technically GVW does come into play IF you overloaded a truck above the limits, but that is unsafe and a violation in itself.

    GVWR is what will typically get you, and yes registered weight being higher than 26,001 will invoke the need for a CDL.

    So basically take the largest of the GVW, GVWR and registered weight and see if it crosses the threshold. If the GVW is lower than the GVWR the GVW is basically irrelevant due to the higher GVWR.

    For combination vehicles the highest number from those three are added together.

    Intrastate can be more complicated and may have higher limits before you need a CDL.
     
    Last edited: Jan 1, 2022
  10. AModelCat

    AModelCat Road Train Member

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    Man ya'lls licenses in the US are confusing as hell.
     
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