Oil Power. Here is an original 35mm color slide of (L to R) Pennsylvania Railroad engines #7235 and #9764. Both were built by GM-EMD. #7235 is an EFS-17M constructed in October of 1959 and rated at 1,750 horsepower. #9764 is an EF-15A built in January of 1951, rated at 1,500 horsepower, and retired in August of 1966. The photographer's name, the exact date, and the location are not recorded. |