GP7 586 and SD45 938 by Frisco.org Posted on December 15, 2015 GP7 586 and SD45 938 GP7 586 and SD45 938 at Springfield, Missouri in May 1976 (C.D. Baker). This entry was posted in RT Collection and tagged 586, 938, Electro-Motive Division, GP7, SD45. Bookmark the permalink.