The USRA Heavy Pacific is a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard heavy passenger locomotive of the USRA types, and was 4-6-2 wheel arrangement in the Whyte notation, or 2′C1′ in UIC classification.
Roster fleet Original locomotives A total of 20 locomotives were built under USRA control, with the production split between the Baldwin Locomotive Works and the American Locomotive Company's Richmond plant; these were sent to the following railroads: +Table of original USRA allocation. Railroad Quantity Class Road numbers Built Notes Retired Erie Railroad 1919 Ten K-5-As were also built as copies (Nos. 2935-2944) in 1923 and a K-5-B (No. 2960) in 1926 by Baldwin.. 1950-1952
Locomotive copies Other post-USRA derivatives include the Baltimore and Ohio P-7 and the Southern Railway Ps-4 classes, the former having larger 80 inch drivers, higher tractive effort, and increased boiler pressure, and the latter with smaller 73 inch drivers, larger cabs, feedwater heaters, and later batches given larger tenders.
+Table of USRA copies Railroad Quantity Class Road numbers Built Notes Retired Baltimore & Ohio (B&O) 1927 Built by Baldwin.. 1958 Erie Railroad 1923 Built by Baldwin.. All upgraded with Boxpok driving wheels 1951-1952 Erie Railroad 1926 Built by Baldwin.. Fitted with Uniflow cylinders, which was removed in August 1940. 1951 Southern Railway (SOU) 1923-1928 Thirty-six (Nos. 1366-1392, 6471-6475, and 6684-6687) built between 1923 and 1924 at ALCO's Schenectady Works.. Twenty-three (Nos. 1393-1404, 6476-6482, and 6688-6691) built in 1926 at ALCO's Richmond Works.. The last five (Nos. 1405-1409) built in 1928 by Baldwin. 1949-1953 West Point Route (WPR) 1926 Nos. 190 and 290 were both built for the Western Railway of Alabama (WRA) and the Atlanta and West Point Railroad (A&WP), respectively.. 1954 Total 97
Preservation Three copies have been preserved. No.BuilderDate builtPost-USRA ownerLocationImageDisposition290Lima Locomotive WorksMarch 1926Atlanta and West Point RailroadSoutheastern Railway MuseumIn storage, awaiting cosmetic restoration1401American Locomotive WorksJuly 1926Southern RailwayNational Museum of American HistoryOn static display5300Baldwin Locomotive WorksFebruary 1927Baltimore and Ohio RailroadB&O Railroad MuseumUndergoing cosmetic restoration
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