Moving a trailer is safe, comfortable, and easy with the Tow Tuff Electric Trailer Dolly. This trailer dolly features a battery-powered motor that is controlled at the handlebar and can move forward or in reverse. The 3,600 lb. weight capacity/600 lb. tongue weight and height-adjustable hitch ball accommodate a wide variety of trailers, while its three-wheel design provides superior stability and can handle a wide variety of terrain.