This is a 2008 t300 with a 315 hp paccar px8 engine and made by cummins. It has a 10 speed transmission. It has air ride suspension. The box is about 25 feet long with a roll up rear door and e track. The mileage is about 260000. It has cold a/c and the cruise works and so do all the lights. Just serviced and dot inspected ready to work. You can see it in Deland fl and reach me at 386 740 0025 or cell phone 386 315 7772 Ted I am a FL licensed dealer. I WILL REMOVE THE BOX IF IT IS NOT NEEDED AND [ CAN TURN IT INTO A WATER TRUCK, DUMP TRUCK OR ANY THING YOU MAY NEED.