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What are the different classes of CDL?

​A. There are 3 basic classes of CDL:
  1. Combination vehicles (Class A) – Any combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed is in excess of 10,000. NOTE: If the vehicle being towed has a GVWR of 10,001 lbs. or more, Class A is required. However, you will be required to test in a combination that has a GVWR of 26,001 lbs. or more.
  2. Heavy Straight vehicles (Class B) – Any single vehicle with a gross vehicle weight rating of 26,001 pounds or more OR any such vehicle towing a trailer/vehicle not in excess of 10,000 pounds.
  3. Small vehicles (Class C) - Any single vehicle or combination of vehicles (that meets neither the definition of Class A or Class B) but that is either designed to transport 16 or more passengers including the driver OR is used in the transportation of hazardous materials in amounts required to be placarded.
For more information, see Section I, Policy 1.00 Classes of License and Age Requirements.