GP40-2s 3050 (Frisco 760), 3041 (Frisco 751) and 3056 (Frisco 766) by Frisco.org Posted on November 20, 2016 GP40-2s 3050 (Frisco 760), 3041 (Frisco 751) and 3056 (Frisco 766) GP40-2s 3050 (Frisco 760), 3041 (Frisco 751) and 3056 (Frisco 766) at Tulsa, Oklahoma on August 5, 1982. This entry was posted in RT Collection and tagged 3041, 3050, 3056, 751, 760, 766, Electro-Motive Division, GP40-2. Bookmark the permalink.