Hopper 104351 and Caboose 1242 by Frisco.org Posted on February 16, 2018 Hopper 104351 and Caboose 1242 Hopper 104351 and Caboose 1242 (location unknown) in May 1970. Posted in Rolling Stock, RT Collection | Tagged 104351, 1242, Caboose, Hopper | Leave a comment