| Here is a postal card entitled "Pennsylvania 8717." No Postmark. Caption On Reverse: "Switchers Nos. 8717 and 8723, built by Fairbanks-Morse, operate at Warren, Pa., August 17, 1961. Photo: Max Owen Collection." Both are FS-12M's built by Fairbanks-Morse during November of 1952 and rated at 1,200 horsepower each. #8717 was retired in October of 1967, but #8723 made it into the Penn Central era. |