GP38AC 640, GP38-2 462, U25Bs 813 and 827, SD45s 908 and 946, GP38-2 427, and U25B 816 at Tulsa, Oklahoma on July 4, 1979 by Frisco.org Posted on February 18, 2016 GP38AC 640, GP38-2 462, U25Bs 813 and 827, SD45s 908 and 946, GP38-2 427, and U25B 816 GP38AC 640, GP38-2 462, U25Bs 813 and 827, SD45s 908 and 946, GP38-2 427, and U25B 816 at Tulsa, Oklahoma on July 4, 1979. This entry was posted in RT Collection and tagged 427, 462, 640, 813, 816, 827, 908, 946, Electro-Motive Division, General Electric, GP38-2, GP38AC, SD45, U25B. Bookmark the permalink.