GP40-2 772, U25B 814 and GP38-2 673 by Frisco.org Posted on February 2, 2018 GP40-2 772, U25B 814 and GP38-2 673 GP40-2 772, U25B 814 and GP38-2 673 at Springfield, Missouri on March 26, 1980 (Bob Graham). This entry was posted in Slides and tagged 673, 772, 814, Electro-Motive Division, General Electric, GP38-2, GP40-2, U25B. Bookmark the permalink.