SW1500 360, SD45 946, GP40-2 751, SD45 937 and SD40-2 956 by Frisco.org Posted on March 6, 2018 SW1500 360, SD45 946, GP40-2 751, SD45 937 and SD40-2 956 SW1500 360, SD45 946, GP40-2 751, SD45 937 and SD40-2 956 at Tulsa, Oklahoma in October 1980. This entry was posted in Slides and tagged 360, 751, 937, 946, 956, Electro-Motive Division, General Electric, GP40-2, SD40-2, SD45, SW1500. Bookmark the permalink.