Class A - Any combination of vehicles with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle or vehicles being towed is in excess of 10,000 pounds.
Class B - Any single vehicle with a GVWR of 26,001 pounds or more, and any such vehicle towing a vehicle not in excess of 10,000 pounds.
Class C - Any single vehicle with a GVWR of less than 26,001 pounds or any such vehicle towing a vehicle with a GVWR not in excess of 10,000 pounds comprising:
Ala. Code § 32-6-49.10 (1975)