Okla. Stat. tit. 47, § 47-1-107.1: Class A commercial motor vehicle

Class A Commercial Motor Vehicle.

Any combination of vehicles, except a Class D motor vehicle,

with a gross combined weight rating of twenty-six thousand one

(26,001) or more pounds provided the gross vehicle weight rating of

the vehicle or vehicles being towed is in excess of ten thousand

(10,000) pounds.