GP40-2 3056 (Frisco 766) by Frisco.org Posted on July 1, 2016 GP40-2 3056 (Frisco 766) GP40-2 3056 (Frisco 766) at Missoula, Montana in May 1983. This entry was posted in BN Patched, Slides and tagged 3056, 766, Electro-Motive Division, GP40-2. Bookmark the permalink.