For Sale: 2012 Fleetwood Discovery 40x Super Clean Like New! Class A - Diesel / Greenville, Sc This 2012 Fleetwood Discovery 40x With Only 10,000 Miles Is In Great Condition And Loaded Up With All The Options Of 3 Roof Acs, 2 Inverter, Household Refrigerator, 8000 Watts Onan Diesel Generator, 4 Lcd Tvs, Blu-ray Players, Dome Dish, Washer / Dryer Stack-able Dual Units, Sleep Number Bed And Much More. Very Desirable Side Isle Floor Plan With Center Full Enclose Bathroom. Lots Of Storage Inside And On Outside It Has Sliding Tray And Huge Underbelly Storage. Please Watch A Youtube Video.