GP38AC 646 and F9B 140 by Frisco.org Posted on November 8, 2015 GP38AC 646 and F9B 140 GP38AC 646 and F9B 140 at Hillsdale, Kansas (date unknown). This entry was posted in RT Collection and tagged 140, 5140, 646, Electro-Motive Division, F9B, GP38AC. Bookmark the permalink.