Difference between Class A and Class B CDL
With a Class A CDL license a driver can use a commercial vehicle(C.M.V.) to pull a trailer over 10,000 pounds. The Class B license allows the CMV driver to pull a trailer under 10,000 pounds.
That is of course the very abbreviated answer. Read our page on each license to get a full understanding of them.
What is a Class C CDL License?
Class C License – Large passenger vehicles and vehicles used to haul hazardous materials are covered by a Class C CDL. Class C licenses are required for vehicles that carry more than 16 passengers (including the driver). Any vehicle carrying hazardous materials require a placard. Selective agents also require a Class C CDL to operate.