GP38-2 415 and GP35 723 by Frisco.org Posted on November 29, 2016 GP38-2 415 and GP35 723 GP38-2 415 and GP35 723 at Tulsa, Oklahoma in November 1977 (Don Henderson). This entry was posted in Slides and tagged 415, 723, Electro-Motive Division, GP35, GP38-2. Bookmark the permalink.