U30B 5793 (Frisco 855) by Frisco.org Posted on August 14, 2016 U30B 5793 (Frisco 855) U30B 5793 (Frisco 855) at Lincoln, Nebraska on February 20, 1982 (P.B. Wendt). This entry was posted in BN Patched, RT Collection and tagged 5793, 855, General Electric, U30B. Bookmark the permalink.