SD40-2 953, B30-7 864, SD40-2 951 and GP38-2 688 by Frisco.org Posted on December 23, 2015 SD40-2 953, B30-7 864, SD40-2 951 and GP38-2 SD40-2 953, B30-7 864, SD40-2 951 and GP38-2 688 at Tulsa, Oklahoma on August 18, 1979. This entry was posted in RT Collection and tagged 688, 864, 951, 953, B30-7, Electro-Motive Division, General Electric, GP38-2, SD40-2. Bookmark the permalink.