This unit is a 2008 Chevy c4500 it has a 8.3L engine with 113389 miles. It has a dts-29fp which is a 29ft duralift boom and is non insulated. The body is a 9ft reading steel body. There is definitly some wear and tear on this unit but overall in great condition. Slight damage to the right front fender please see picture. This unit is being sold as is.