2020 GRAND DESIGN Solitude 310GK, UVW* 12100 lbs Hitch Weight* 2350 lbs GVWR 15000 lbs Length** 34' 11" Height 13' 5" Axle Rating 7,000 lb. Fresh Water Capacity 93 Gal Grey Water Capacity 100 Gal Waste Water Capacity 50 Gal Water Heater 12 LP Capacity 60 lbs Furnace 35000 BTU Fireplace 5000 BTU Frame Size 10" Main Rail I-Beam/10"Drop Rail R-Value (Main Floor) R-45 R-Value (Walls) R-11 R-Value (Roof) R-40 Construction Aluminum Cage Awning Length 16 Std. Bed Dimensions 60" X 80" Queen (Opt. King)