A Class A driver's license authorizes the holder of the license to operate:
(1) a vehicle with a gross vehicle weight rating of 26,001 pounds or more; or
(2) a combination of vehicles that has a gross combination weight rating of 26,001 pounds or more, if the gross vehicle weight rating of any vehicle or vehicles in tow is more than 10,000 pounds.
Official text of the Texas Transportation Code as published by the Texas Legislative Council.