2018 Wolf Pup 18TO Travel Trailer. This 23' 2" Travel Trailer has 1 slides and can sleep 6 people. It has a 26 gallon fresh water tank, 23 gallon gray water tank, and a 23 gallon black water tank. This unit has a height of 10' 6" ft 6 inches and a width of 0 ft 84 inches. Hitch weight is 437 lbs., ship weight is 3797 lbs. The 18TO is a camper that can sleep up to six people and has a full slide-out with a queen bed, dinette, and sofa with a hidden bunk. It also has full under bed storage, large dinette drawers, overhead cabinetry, rear TV placement, a gourmet kitchen, a functional bath, and under awning entertainment.