The prototype of the car was rebuilt by Norfolk Southern from former N&W Roanoke Shops 52 6 G-12 Coil Gondolas in the Norfolk Southern's TieGon Conversion Program in the 1990s. This HO 1:87 Norfolk Southern M-271 MOW Crosstie Gondola II STL files comes with the body, brake platform, brake wheel and coupler box covers. The only thing you need to complete this model is some 100-Ton rolling bearing trucks with 33' metal wheels and metal couplers of your choice. Also you need 2-56 x 1/4 phillips pan head screws for the trucks and 2-56 x 1/8 phillips pan head screws coupler boxes.