Atlas 70 ton Hart Ballast Cars SF Run #2 Mineral Brown/White (Road Numbers 7-12) (SKU 150-1154-run2)
Built by ACF from 1940-1953, formally known as ?Hart Selective Service Ballast Cars?, specially-designed doors which allowed the lading to be discharged one of three ways: to the center of the rails, to the center and sides of the rails, or to the side of the rails only. Six Road #s available per road name.