Class C License - Any motor vehicle that has a GVWR of less than 26,001 pounds when endorsements "H" or "P" would be required on the driver license or any combination of motor vehicles where the towing vehicle is less than 26,001 pounds and the towed vehicle has a GVWR of 10,000 pounds or less, but together weigh 26,001 pounds or more. More @Wikipedia
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