| Here is a photo from an article entitled "1957: The Downturn; 1958: The Challenge." It was published originally in the May-June 1958 issue of "Pennsy" magazine, page 2. The photographer is not identified. Shown here (L to R) are Pennsylvania Railroad engine #7166 and numerous other GP-9's whose road numbers are not recorded. All are EFS-17M's built by GM-EMD and rated at 1,750 horsepower each. #7166 was constructed in October of 1957. |