U25B 5232 (Frisco 830) by Frisco.org Posted on July 12, 2016 U25B 5232 (Frisco 830) U25B 5232 (Frisco 830) at Cicero, Illinois on January 9, 1981 (P.A. Bergen). This entry was posted in BN Patched, RT Collection and tagged 5232, 830, General Electric, U25B. Bookmark the permalink.