FA-1 5210, F3B 5105, GP7 575 and FA-1 5220 by Frisco.org Posted on November 19, 2015 FA-1 5210, F3B 5105, GP7 575 and FA-1 5220 FA-1 5210, F3B 5105, GP7 575 and FA-1 5220 (four of five units) at Springfield, Missouri on February 10, 1961. This entry was posted in RT Collection and tagged 5105, 5210, 5220, 575, American Locomotive Works, Electro-Motive Division, F3B, FA-1, GP7. Bookmark the permalink.