Killbros 12' Gravity Wagon On Westendorf Running Gear, Box Dimensions: 12’ Long X 7’6" Wide, 14" Tall Sidewall Extensions, RH Discharge, Discharge Chute, Front/Rear Access Ladder, Westendorf 10T Running Gear, Extendable Pin Hitch, Rear Hitch, (4) BF Goodrich Implement Control IF320/70R15 Tires On 8-Bolt Hubs, SN: 101060