a large portion of hyway miles,does not require def , added battery for 200 amp hour, 1500 watt per leg inverter to run 120 volt refrigerator, and utilities,110 watt solar panel to boast when you don’t want to run new 4500 watt generator that’s now mounted on swing out arm on rear, recent new toilet and water pump new drive shaft and bearings, new headlights floor carpet added.1owner, clear title.new radio navigation screen and back up camera, new led lights