The X60S class was built in 1965 by Greenville Steel as NYC 67126-67280 Lot 962B. 72 cars carried their NYC numbers to Conrail and numbered into the CR 293090-293203 series. 80 cars were renumbered by PC as 293126-293280 then becoming CR 293126-293280. The cars that carried their NYC number directly to Conrail were renumbered around the cars that got PC'ed and then CR'ed. Also some cars were renumbered into the CR 242700 series.