The Pennsylvania Railroad 's class H8, H9s and H10s steam locomotives were of the 2-8-0 "Consolidation" type, the last three classes of such built by the railroad. The three classes differed only in cylinder diameter and thus tractive effort, each subsequent class increasing that measurement by an inch.

The PRR never built any steam locomotives of the 4-8-4 "Northern" type, although the T1 duplexes were effectively a "Northern" with the driving wheels split into two groups. R1 - experimental electric locomotive, surpassed by the GG1.

As Locobases 67, 5153, and 15921 show, the PRR found its superheavyweight freight hauler answer in the I1 series of 2-10-0s that premiered in 1916. Their boilers were worked hard, but contained much higher percentages of superheater area in their combined heating surface totals and their boilers were pressed a full 90 psi (6.2 bar) higher.

Nov 12, 2010 · Keep the steam on the smaller side and let BLI/PCM do the huge monster steamers. The H8/9 class would make an excellent starter set engine, bet it would sell like gang busters on the east coast. Not everybody has 36"+ radius curves for huge steam to …

Data from PRR 3 109-D 1904 Class and Description of Locomotives supplied in August 2013 by Allen Stanley from his extensive Rail Data Exchange collection. The significant difference between the H2 Consolidations shown in Locobase 1151 and built in the same years and the H2a was the crown-bar firebox fitted in the latter.

class of American 2-8-0 locomotives

Feb 2, 2003 · H8: The H8 was a whole new generation; much bigger, much more powerful. A large number of variants of the H8, and the subsequent H9 and H10, were built, but the total production of all three classes was 1206.

Oct 20, 2023 · They became the railroad's standard light freight locomotive, replacing all other class H 2-8-0s, and a number remained in service until the end of PRR steam locomotive operation in 1957. 968 class H8 of various subclasses were constructed, along with 274 class H9s and 273 class H10s.

Gibbs found the solution to the problem after studying the performance of the new H8 class Consolidation type (2-8-0) freight engine introduced in 1907, which employed the largest boiler ever applied to a PRR locomotive up to that time.

H8 locomotives built at Juniata, January to May 1907 – road numbers 3193-3217. Of these 25, 20 were eventually converted to H8s configuration. A total of 16 (four of which were converted …