Machine description: Spring Suspension, Air Brakes, Clam Gate, Close Under Load, Electric Roll Tarp, Aluminum Wheels, 11R22.5 Tires *THIS LOT SOLD WITH: 2006 - TRAIL KING TKDL T/A DOLLY s/n: 1TKS009266W081887 c/w: Spring ... more info about the 2006 Trail King TKBD15-252.