F7A 18, GP7 615, and Cabooses 1215 and 1253 by Frisco.org Posted on October 14, 2016 F7A 18 and cabooses 1215 and 1253 F7A 18 and cabooses 1215 and 1253 F7A 18, GP7 615, and cabooses 1215 and 1253 at Staley, Oklahoma (date unknown) (a). Posted in FT Collection | Tagged 1215, 1253, 1615, 18, 5018, Caboose, Electro-Motive Division, F7A, GP7 | 1 Comment