"Meritor Suspention with PSI Automatic Tire Inflation system, slinding winches and j-hooks, two Apitong nailer strips, load guage and dump valve in sealed box, galvanized king-pin plate, coil pack located in center of trailer, 12"" crossmembers, mudflaps behinds all axles. TOOL BOXES AND DUNNAGE RACKS QUOTED AND INSTALLED BY REQUEST.