Class A License
Federal CDL class for combination vehicles ≥ 26,001 lbs GVWR with a towed unit over 10,000 lbs.
Class A is the heaviest CDL classification. It covers tractor-trailers ("18-wheelers"), double trailers, and tankers. Holders can also operate Class B and C vehicles. Required if any towed unit weighs over 10,000 lbs.