SD45 912 and U30B 847 by Frisco.org Posted on February 7, 2016 SD45 912 and U30B 847 SD45 912 and U30B 847 at Tulsa, Oklahoma on May 18, 1980 (J.C. Benson). This entry was posted in RT Collection and tagged 847, 912, Electro-Motive Division, General Electric, SD45, U30B. Bookmark the permalink.