The Trailer Valet is the first and only tongue jack dolly system that provides you with the flexibility and maneuverability to pivot and move your trailer with ease. Our chain drive crank system allows you to propel your boat, utility, or horse trailer around the driveway or up an incline. The gear reduction mechanism on the Trailer Valet is powerful enough to move a 5000 pound trailer with a 500 pound tongue weight. Forget the frustrations of moving your trailer, and get a Trailer Valet today.