Using my Rig as an Example:
Truck: 10,000GVW and 5th wheel 15500 GVW
Fact: RV for personal use is exempt CDL, but may require A B or C depending on the weight of the vehicles in question.
I have marked in red the provisions of law that does not apply to my rig.........
According to Texas Driving handbook and transportation code you may operate with a class C license anything not identified in A or B.
TRANSPORTATION CODE
TITLE 7. VEHICLES AND TRAFFIC
SUBCHAPTER D. CLASSIFICATION OF DRIVER'S LICENSES
Sec. 521.081. CLASS A LICENSE. 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.
Acts 1995, 74th Leg., ch. 165, Sec. 1, eff. Sept. 1, 1995.
Sec. 521.082. CLASS B LICENSE. (a) A Class B driver's license authorizes the holder of the license to operate:
(1) a vehicle with a gross vehicle weight rating that is more than 26,000 pounds;
(2) a vehicle with a gross vehicle weight rating of 26,000 pounds or more towing:
(A) a vehicle, other than a farm trailer, with a gross vehicle weight rating that is not more than 10,000 pounds; or
(B) a farm trailer with a gross vehicle weight rating that is not more than 20,000 pounds; and
(3) a bus with a seating capacity of 24 passengers or more.
(b) For the purposes of Subsection (a)(3), seating capacity is computed in accordance with Section 502.253, except that the operator's seat is included in the computation.
Sec. 521.083. CLASS C LICENSE. A Class C driver's license authorizes the holder of the license to operate:
(1) a vehicle or combination of vehicles not described by Section 521.081 or 521.082; and
(2) a vehicle with a gross vehicle weight rating of less than 26,001 pounds towing a farm trailer with a gross vehicle weight rating that is not more than 20,000 pounds.