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HH1s class | |||||||||||||||||||||
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Postcard depiction of Pennsylvania Railroad #3396. | |||||||||||||||||||||
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The Pennsylvania Railroad's class HH1s comprised a single 2-8-8-2 type steam locomotive. [2] Unlike most Pennsylvania Railroad steam locomotives, it had a wagon-top boiler. It was built by the American Locomotive Company (ALCO) in 1911. For 17 years, the single HH1s served as a helper until 1928. It had the road number 3396 and was subsequently scrapped after it was taken out of service in 1928.