GP38-2s 451 and 663 by Frisco.org Posted on January 2, 2018 GP38-2s 451 and 663 GP38-2s 451 and 663 at Hurst, Texas on February 8, 1981 (Bill Phillips). This entry was posted in Slides and tagged 451, 663, Electro-Motive Division, GP38-2. Bookmark the permalink.