Class A: Any combination of vehicles with a Gross Combination Vehicle Weight Rating (GCWR) of 26,001 lbs. or more provided the Gross Vehicle Weight Rating (GVWR) of the vehicle(s) being towed is in excess of 10,000 lbs., except a school bus. With a Class A license and the appropriate endorsements, a driver may operate any vehicle covered within Classes B and C.
Class B: Any single vehicle with a GVWR of 26,001 lbs. or more, or any such vehicle towing another vehicle not in excess of 10,000 lbs. GVWR, except a school bus. With a Class B license and appropriate endorsements, a driver may operate any vehicle covered within Class C.
Class C: Any vehicle that is either less than 26,001 lbs. GVWR or any such vehicle towing a vehicle not in excess of 10,000 lbs. GVWR or a vehicle placarded for hazardous materials or designed to transport 16 or more persons, including the operator, except a school bus.
Class D: Any single vehicle or combination except a semitrailer unit, truck trailer combination, tractor, or truck having a registered gross weight in excess of 26,000 lbs., a bus, or a school bus.
Class M: Motorcycle. If operator has a Class D license, he or she may opt for a Class M endorsement on their driver’s license.