U30B 5784 (Frisco 846) by Frisco.org Posted on September 22, 2016 U30B 5784 (Frisco 846) U30B 5784 (Frisco 846) (location unknown) in 1981. This entry was posted in BN Patched, RT Collection and tagged 5784, 846, General Electric, U30B. Bookmark the permalink.