I have a 2011 51ft Timpte triple Axial grain trailer. 3 hoppers 87iin sides, electric high riser. Makes it 13ft 6in.Front and rear axial lift. Electric roll tarp, 3 traps have had hopper frames and tracks all replaced. Large sf trailer. Can haul 55k confection sf that are 23#. Comes with 2 spare tires on aluminum rims