| Oil Power. Here is a duplicate 35mm color slide of (R to L) Pennsylvania Railroad engine #7153 and another "Geep" whose road number is not recorded. Both are EFS-17M road switchers built by GM-EMD and rated at 1,750 horsepower each. #7153 was constructed in November of 1957. The photographer's name, the exact date, and the location are not recorded. |