Discussion in 'Trainspotter ID' started by Ralph, May 23, 2006.

  1. Ralph

    Ralph's for fun!

    The SD9 was a six axle EMD locomotive. I'm not sure about other roads but the Pennsy used them in its mountain routes. These units later were used in yard and hump service.

    This link has more detailed technical info along with a list of the railroads that purchased SD9s and the way they were numbered:

    Here is a photo of a prototype SD9 in the Penn Central years:

    and, finally a picture of an HO model SD9 on my layout, in Pennsylvania dress:


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