GP7 598 and Caboose 1104 by Frisco.org Posted on August 10, 2015 GP7 598 and Caboose 1104 GP7 598 and Caboose 1104 at Floydada, Texas on December 2, 1976. This entry was posted in RT Collection and tagged 1104, 598, Caboose, Electro-Motive Division, GP7. Bookmark the permalink.