We have 2 2014 Kenworth W900 38 inch sleepers with Cummins ISX engines. One unit has 198,000 miles and the other has 206,000 miles. They are heavy speced with 46,000 pound rears and 14,600 pound front axles. They have Eaton Fuller Road Ranger 18 Speed Transmissions. They have air ride suspensions and 3.91 rear ends. These trucks are in great shape and ready to work.