FP7A FP7-A was acquired new in 1953 and was eventually retired. (Anchorage depot, early 1970's).
Photo courtsey of E.D. Motis

3,862 F7s were built between November of 1948 and December 1953 which is more than all the other F units combined. Fifty-nine railroads purchased the F7s new and many other railroads acquired them used. The F7 was primarily a freight engine, but could be modified for high speed passenger service and equiped with a steam generator. Top initial owners include:

South Pacific - 266 A, 224 B
Atchison, Topeka and Santa Fe - 215 A, 247 B
New York Central - 238 A, 55B
Baltimore and Ohio - 157 A, 100 B
Pennsylvania - 123 A, 76 B
Chesapeake & Ohio - 94 A, 54 B