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The PRR C1 was the Pennsylvania Railroad's class of 0-8-0 steam locomotive, used in switching service. The locomotive type was built at the railroad's Juniata shops in Altoona, Pennsylvania and introduced in 1925.[1]
The 0-8-0 was common on most railroads, but not on PRR; when the railroad needed larger motive power, they used the 2-8-0 "Consolidation". The PRR wanted the best motive power for switching duties at rail yards and interchanges, and the C1 class was the heaviest two-cylinder 0-8-0 switcher ever produced. Calculated tractive effort was 76,154 lb, based on 78% MEP with 60% maximum cutoff. All C1s were withdrawn and scrapped between 1948 and 1953.