U25B 825 by Frisco.org Posted on December 6, 2017 U25B 825 U25B 825 at Topeka, Kansas on August 10, 1972 (or 1979) (Dan Warren). The Frisco Archive has conflicting information on the date but 1972 seems likely. This entry was posted in Slides and tagged 825, General Electric, U25B. Bookmark the permalink.