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.

The Pennsylvania Railroad's class HH1s comprised a single 2-8-8-2 type steam locomotive. 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.

Class HH1s (Locobase 325) Data from Wiener (1930) and Roy V Wright, Locomotive Dictionary 1912 (Third) Edition (New York: Simmons-Boardman Company, 1912), Figure 107, p. 192.

The PRR only owned one type of Decapod, class I1s, but they owned 598 of them, one of the largest classes of identical power in the United States. I1s/I1sa - heavy freight hauler. J: 2-6-2 and 2-10-4

The Pennsylvania Railroad class HH1s/Y3s are four-cylinder compound articulated locomotives that consist of six examples of ex-Norfolk and Western Railway Y3 class 2-8-8-2 (Whyte notation) wheel arrangement.

The Pennsylvania Railroad's class HH1s comprised a single 2-8-8-2 type steam locomotive. Unlike most Pennsylvania Railroad steam locomotives, it had a wagon-top boiler. It was built by the American Locomotive Company in 1911. For 17 years, the single HH1s served as a …

Feb 11, 2010 · According to Kalmbach’s Guide to North American Steam Locomotives: History and development of steam power since 1900 that original 2-8-8-2 Class HH1/HH1s #3396 had been retired in 1928; PRR reused classification HH1 for the Y3s acquired from Norfolk and Western during Big Brawl Two.

Dec 11, 2023 · The Pennsylvania Railroad's class HH1s comprised a single 2-8-8-2 type steam locomotive. 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.

PRR 3396, HH-1S, 1911 Portraits 7. Here is a steam locomotive portrait of Pennsylvania Railroad engine #3396, an HH-1S (2-8-8-2) steam locomotive built by the American Locomotive Company during September of 1911 and retired in April of 1928 after 17 years of experimental service.

Pennsylvania Class HH1s A unique engine on the Pennsy, a simple-expansion articulated built at a time when all other articulateds were Mallet compounds. In a departure from Pennsylvania practice, this engine used a wagon-top boiler.