2026 Grand Design Reflection 337RLS, OVERALL SIZE Exterior Height 12' 6" Exterior Height (w/opt. AC) 12' 10" Exterior Length 35' 7" Exterior Width 8' Exterior Width (w/ slide out) 13' 7" Interior Height N/A WEIGHTS Hitch / Pin Weight 2,300 UVW 11,200 GVWR 13,995 CAPACITY Fresh Water Capacity 74 Gray Water Capacity 87 Waste Water Capacity 47 Propane Tanks 2 LPG 60 Sleeping Capacity 4 APPLIANCES Water Heater Tankless Refrigerator 16 cu. ft. Furnace 35,000 BTU AC 15,000 BTU RUNNING GEAR Axles 2 Wheel Size 16 in. Tire Size ST235/80R16 LRE CONSTRUCTION Construction Type Aluminum Cage Floor R-Value R-30 Wall R-Value R-9 Roof R-Value R-40 Slide Room R-Value R-9 DIMENSIONS Standard Bed 60 X 80 Queen Bed (King Opt.) Standard Bunk N/A Shower 30 x 48" EXTERIOR Slides 3 Awnings 2 Awning Length 16' 10' 6"