USRA 50 Ton Trucks in SP Boxcar Red. These trucks are created with the origin at the center of the wheel on the Z Axis and aligned to the center of the bolster for the X and Y axis. You will need the truck/bogey attachment points aligned to the center of the bolster and at a height of 16.5 inches. This truck/bogey may be used on any freeware content. It is equipped with LOD, bump mapping, animation and a shadow mesh. If you wish to use this on payware, please contact me.