Portraits 2. Here is a diesel locomotive portrait by an unidentified photographer that was taken near Chicago, Illinois, on 4 October 1964. Shown here (L to R) are Pennsylvania Railroad engines #2523 and #2503. Both are GF-25's built by General Electric and rated at 2,500 horsepower each. #2523 was constructed in October of 1962, while #2503 was built in August of the same year. (#5 of 30) |