Was doing some checking and now I wonder? Can Some one explain to me the Differance in the B CDL trucks??? see the classes and some with single axle and some with Tandum Axle or Lift-Axles...Trying to read what make each one a special unit, I am now studying and learning the B-CDL....I mostly like the International or Freightliner Century......so these are the two am working on for my own truck.....All information will be greatly thanks.....God Bless and Safe Miles on the Open road.......