GP7 628 by Frisco.org Posted on April 14, 2018 GP7 628 GP7 628 at Mobile, Alabama on April 26, 1969 (Conniff Railroadiana Collection). This entry was posted in Slides and tagged 628, Electro-Motive Division, GP7. Bookmark the permalink.
The second unit is 553, one of the RS2Ms.