GP38AC 634 & GP35 707 by Frisco.org Posted on July 26, 2016 GP38AC 634 & GP35 707 GP38AC 634 & GP35 707 at St. Louis, Missouri on March 22, 1980 (R.L. Ragsdale). This entry was posted in Slides and tagged 634, 707, Electro-Motive Division, GP35, GP38AC. Bookmark the permalink.