Basic CDL Types
Classes of Commercial Driver's License (TEX. TRANSP. CODE-522.041)
Class A CDL
Any combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, if the gross vehicle weight rating (GVWR) of the towed vehicle or vehicles exceeds 10,000 pounds. GVWR means the value specified by the manufacturer as the loaded weight of a single vehicle. In Texas, the registered weight or actual weight may be used if the GVWR is unknown. TEX. TRANSP. CODE �522.003.
GCWR means the value specified by the manufacturer as the loaded weight of a combination or articulated vehicle or, if the manufacturer has not specified a value, the sum of the gross vehicle weight rating of the power unit and the total weight of the towed unit or units and any load on a towed unit. TEX. TRANSP. CODE �522.003.
Class B CDL
Any single vehicle with a gross vehicle weight rating of 26,001 pounds or more, a single vehicle with a gross vehicle weight rating of 26,001 pounds or more towing a vehicle with a gross vehicle weight rating of 10,000 pounds or less, and a vehicle designed to transport 24 passengers or more, including the driver.
Class C CDL
Any single vehicle or combination of vehicles that is not a Class A or Class B if the vehicle is designed to transport 16 - 23 passengers, including the driver; or used in the transportation of hazardous materials that require placards under 49 CFR, Part 172