Class A: Required to operate a combination of vehicles that is exempt from CDL requirements when the towed unit has a gross vehicle weight rating of 10,001 pounds or more. Class B: Required to operate any single vehicle that is exempt from CDL requirements with a GVWR of 26,001 pounds or more and any such vehicle towing a vehicle with a GVWR not in excess of 10,000 lbs. Class C: Required to operate any noncommercial single vehicle with a GVWR of less than 26,001 lbs.; and a vehicle towing a vehicle which has a combined GVWR of less than 26,001 lbs. operated by a driver 18 years old or older. Most drivers need only a regular class C license to operate personal automobiles and small trucks.
