U30B 5792 (Frisco 854) by Frisco.org Posted on November 17, 2016 U30B 5792 (Frisco 854) U30B 5792 (Frisco 854) at Memphis, Tennessee on December 13, 1980 (D.M. Johnston). This entry was posted in BN Patched, RT Collection and tagged 5792, 854, General Electric, U30B. Bookmark the permalink.