For sale: travel trailers - hybrid / coldwater, mi description: pictures & more information will be coming soon for this used ultralite hybrid camper here at haylett rv of coldwater, mi! Features: Rockwood Roo 23ss hybrid ultralite travel trailer: dry hitch weight 443 lbs. (201 kg) unloaded vehicle weight 4,333 lbs. (1,965 kg) cargo carrying capacity 1,833 lbs. (831 kg) exterior length 24' 10" (7.6 m) exterior height 9' 3" (2.8 m) exterior width 96" (2.4 m) fresh water capacity 36 gal. (136 l) gray water capacity 30 gal. (114 l) black water capacity 30 gal. (114 l) awning size 17 ft