GP38AC 653, U25B 820, U30B 838 and GP35 702 by Frisco.org Posted on May 28, 2017 GP38AC 653, U25B 820, U30B 838 and GP35 702 GP38AC 653, U25B 820, U30B 838 and GP35 702 GP38AC 653, U25B 820, U30B 838 and GP35 702 (location unknown) in April 1977. This entry was posted in Slides and tagged 653, 702, 820, 838, Electro-Motive Division, General Electric, GP35, GP38AC, U25B, U30B. Bookmark the permalink.