SW7 75 (Frisco 300) by Frisco.org Posted on November 8, 2014 SW7 75 (Frisco 300) SW7 75 (Frisco 300) at Kansas City, Missouri on November 1, 1981. This entry was posted in BN Patched, RT Collection and tagged 300, 75, Electro-Motive Division, SW7. Bookmark the permalink.