GP38-2s 686 and 400 by Frisco.org Posted on August 7, 2014 GP38-2s 686 and 400 GP38-2s 686 and 400 at St. Louis, Missouri on August 18, 1979 (Michael Wise). This entry was posted in RT Collection and tagged 400, 686, Electro-Motive Division, GP38-2. Bookmark the permalink.