GP40-2 3056 (Frisco 766) by Frisco.org Posted on April 2, 2014 GP40-2 3056 (Frisco 766) GP40-2 3056 (Frisco 766) at Tulsa, Oklahoma on October 4, 1981 (R. Bee). This entry was posted in BN Patched, RT Collection and tagged 3056, 766, Electro-Motive Division, GP40-2. Bookmark the permalink.