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SESK: Stuff Everyone Should Know · sesk.info/cdl-class-a-combination

Which CDL class do you need for a combination over 26,000 lbs towing a trailer over 10,000 lbs?

Class A, the combination vehicle class.

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  1. Class A ✔
  2. Class B
  3. Class C

Why: Group A covers combinations with a gross combination weight rating of 26,001 lbs or more when the towed unit is rated over 10,000 lbs. A typical tractor-trailer needs a Class A.

Huh, didn't know that: The federal rule calls the classes Groups A, B and C; states print them as license classes.

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References

Answer: Class A. Group A covers combinations with a gross combination weight rating of 26,001 lbs or more when the towed unit is rated over 10,000 lbs. A typical tractor-trailer needs a Class A.

  1. 49 CFR 383.91 Commercial motor vehicle groups (eCFR) www.ecfr.gov/current/title-49/section-383.91
    Any combination of vehicles with a gross combination weight rating (GCWR) of 11,794 kilograms or more (26,001 pounds or more)
    Checked 2026-10-10.

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Cars & DrivingA single truck rated 26,001 lbs or more, towing nothing over 10,000 lbs, needs which CDL class?Cars & DrivingA smaller vehicle needs a Class C CDL when it carries hazmat that needs placards or how many people?Cars & DrivingIf you hold a Class A CDL, can you also drive Class B and C vehicles?

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