Portraits 5. Here is a steam locomotive portrait of Pennsylvania Railroad engine #2437, a K-2S (4-6-2) "Pacific" built in Juniata as a K-2 during September of 1910, rebuilt as a K-2S in February of 1919, and retired in November of 1932 after 22 years of faithful service. The photographer's name, the exact date, and the location are not recorded. (#28 of 40)