GP7 510 by Frisco.org Posted on July 12, 2014 GP7 510 GP7 510 at Rolla, Missouri in November 1961. Note E8A 2020 on the left. This entry was posted in RT Collection and tagged 510, Electro-Motive Division, GP7. Bookmark the permalink.
Note stack for steam generator atop the short hood. In a 1979 photo of the unit in orange and white on Frisco.org, the stack had been removed.