U25Bs 824 and 827 and GP38AC 662 by Frisco.org Posted on June 13, 2018 U25Bs 824 and 827 and GP38AC 662 U25Bs 824 and 827 and GP38AC 662 at Springfield, Missouri in September 1978 (Neil Shankweiler). This entry was posted in Slides and tagged 662, 824, 827, Electro-Motive Division, General Electric, GP38AC, U25B. Bookmark the permalink.