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 HH1s used 6,000 gallons (22,710 litres) of water and 9,000 lb (4,082 kg) of coal to handle the other 64%. So, if Locobase's inference is correct, the HH1s consumed about 57% of the water used by the three locomotives to conquer 64% of the resistance and 60% of the coal while contributing about half of the combined adhesive weight of the trio.

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.

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.

2023年12月11日 · 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 constructed 90 for use in commuter service and then built 30 for their subsidiary the Long Island RR. The 2-10-0 "Decapod" type was assigned class I. 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.

2022年2月12日 · HH1s型蒸汽机车 是美国宾夕法尼亚铁路使用的一款“马莱”型铰接式蒸汽机车，主要担任后补机车运行。但由于宾夕法尼亚铁路对铰接式蒸汽机车需求不大，因而该车仅生产了1台。

HH1s - 2-8-8-2 Steam Loco: Tracing#: 39945: View: side: View large 300 dpi b/w image: Do you have any PRR diagrams that are not on this site? If so please e-mail me so we can arrange to scan and add them to the site! Go to the PRR freight car index! ©1998-2005 Robert Schoenberg ...

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 …

2010年2月11日 · 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.