U25B 5221 (Frisco 819) by Frisco.org Posted on November 9, 2016 U25B 5221 (Frisco 819) U25B 5221 (Frisco 819) leads a train at Springfield, Missouri in January 1981. This entry was posted in BN Patched, RT Collection and tagged 5221, 819, General Electric, U25B. Bookmark the permalink.