GP7 632 and Caboose 1147 by Frisco.org Posted on June 2, 2017 GP7 632 and Caboose 1147 GP7 632 and Caboose 1147 at Pittsburg, Kansas in July 1975 (Steve Gartner). This entry was posted in Slides and tagged 1147, 632, Caboose, Electro-Motive Division, GP7. Bookmark the permalink.