| Here is a photo from a reprint of the November 1956 issue of "Modern Railroads" magazine, page 54. Revised Caption: "New 2400-HP units are used in [passenger] helper service west of Altoona." Shown here (L to R) are Pennsylvania Railroad engines #8608, #8609, and #8606. All are APS-24MS's built by the American Locomotive Company in August of 1956 and rated at 2,400 horsepower each. |