GP7s 605, 586, 535, and 573 by Frisco.org Posted on February 13, 2025 GP7s 605, 586, 535, and 573 GP7s 605, 586, 535, and 573 at Oelwein, Iowa on August 14, 1976 (Robert Farkas). This entry was posted in RT Collection and tagged 535, 573, 586, 605, Electro-Motive Division, GP7. Bookmark the permalink.