The prototype of the car was built by the Pullman-Standard Car Manufacturing Company for the Southern Railway from 3/1965 (Series 9640-9739) They were intended for the transport of tabacco in hogheads and also they were classed as the BS-20. This HO Scale 1:87 Pullman Standard 84'4"Excess Height Boxcar STL files comes with the body, frame, brake wheel and coupler box covers. The only thing that you need to complete this model is some 70-ton rolling bearing trucks with 36' 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. Note these STL files is for personal use only and not to be commercially reproduced!!!