Early railroad buyers were the Pittsburgh & Lake Erie, with 25, and the Missouri Pacific, who would buy 62 between 1974 and 1982.
In the early 1970s railroads were starting to convert to AC power, the six largest buyers, Milwaukee (64), Southern Pacific (58), Seabord (40), Nacionales de México (25), Long Island (23), and Louisville & Nashville (10), were all buying AC road locomotives.