used heartland 5th wheel for sale – 2020 heartland landmark oshkosh is approximately 37 feet in length with 4 slides and features lci auto leveling jacks 3 a/cs aluminum wheels gas/electric water heater power patio awning power door awning cargo tray pass through storage black tank flush water filtration system 50 amp power reel exterior shower exterior entertainment ladder inverter 7 foot ceilings fireplace day/night shades hardwood cabinets power vents ceiling fans sink covers solid surface counters residential refrigerator 3 burner gas range oven king bed bedroom tv theater seats and much more. for additional information and photos please visit motor home specialist at or call 800-335-6053.