No DEF needed. 40 foot QTH model. Garage kept. All the standard QTH options plus added: factory installed HWH leveling system, 2 new roof top ACs, satellite dish, Diamond Shield, Blue Ox tow bar, white epoxy painted roof, 3 flat screen TVs, stainless 3 fuel refrigerator, all fluorescent ceiling lights replaced with LEDs in wood trim, tray ceiling trim, new toilet, new king sleep number bed, all wood cabinets insulated, updated sconces in salon, plus other extras. Maintenance records available. Sold AS IS.