The prototype of the cars was built by the Greenville Steel Car Company for the Southern Railway from 2-4/1974 (Series 114150-114249) (FS43) and from 5-7/1973 (Series 114250-114349) (FS44) This HO Scale 1:87 Greenville 60' FS43 FS44 Bulkhead Flatcar STL files comes with the as built, later and beams body versions, A and B platforms, as built barcode pad, brake wheel and coupler box covers. The only thing that 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 for the coupler boxes.