If a truck has air brakes, does it require a CDL?

The weight of the vehicle, or the cargo type (passengers or haz-mat) determines whether a CDL is required.

The presence of air brakes does is not a determining factor in whether a CDL is required.

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1. When do I need a commercial driver's license (CDL)
2. Do I need a medical certification/card or operate a CMV in Kansas?
3. Do I need to carry my medical card?
4. If a truck has air brakes, does it require a CDL?
5. Is there a CDL air brake endorsement?
6. I am a farmer. Do I need a Class A or Class B CDL?
7. I am an out of state farmer. Will Kansas recognize my CDL exemption?