Class A
Class A
Is a tractor or a truck pulling a trailer that is 10,000 lbs. or more with a combination weight of 26,001 lbs. or more. Also known as a combination vehicle. This is the most difficult because of the trailer. But someone who holds a Class A can also drive Class B. Class B
Class B
Is a straight truck with no trailer, such as a dump truck or a bus that is over 26,000 lbs. Someone with a Class B cannot drive a Class A.
Class C
Any vehicle under 26,001 lbs. with either a passenger endorsement or a hazmat endorsement.
Class C
Class D
Class D
Is the license you should currently have to drive your car.
Class D
Class C
Class B
Class A