The USRA Light Santa Fe was a

USRA standard The USRA standard locomotives and railroad cars were designed by the United States Railroad Administration, the nationalized rail system of the United States during World War I. 1,870 steam locomotives and over 100,000 railroad cars were built t ...

class of

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, Fuel oil, oil or, rarely, Wood fuel, wood) to heat ...

designed under the control of the

United States Railroad Administration The United States Railroad Administration (USRA) was the name of the nationalisation, nationalized railroad system of the United States between December 28, 1917, and March 1, 1920. It was the largest American experiment with nationalization, and ...

, the nationalized railroad system in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

during

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

. These locomotives were of

2-10-2 Under the Whyte notation for the classification of steam locomotives, represents the wheel arrangement of two leading wheels, ten powered and coupled driving wheels, and two trailing wheels. In the United States and elsewhere the is known as th ...

wheel arrangement In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and c ...

in the

Whyte notation The Whyte notation is a classification method for steam locomotives, and some internal combustion locomotives and electric locomotives, by wheel arrangement. It was devised by Frederick Methvan Whyte, and came into use in the early twenti ...

, or 1′E1′ in

UIC classification The UIC classification of locomotive axle arrangements, sometimes known as the German classification''The Railway Data File''. Leicester: Silverdale, 2000. p. 52. . or German system,Kalla-Bishop P.M. & Greggio, Luciano, ''Steam Locomotives'', Cr ...

; this arrangement was commonly named "Santa Fe" in the

. At the time, the Santa Fe was the largest non-

articulated An articulated vehicle is a vehicle which has a permanent or semi-permanent coupling in its construction. This coupling works as a large pivot joint, allowing it to bend and turn more sharply. There are many kinds, from heavy equipment to buse ...

type in common use, primarily in slow

drag freight A drag freight is a long, slow, high-tonnage Rail transport, railroad train, often carrying commodities such as coal or ore. Compared to "fast freight" trains, drag freight trains have a very low power-to-weight ratio, making them somewhat unpre ...

duty in ore or coal service. A total of 94 of these locomotives were constructed under the auspices of the USRA. They went to the following railroads: Only one USRA Light 2-10-2 survives: DM&IR 506 is on display at the

National Railroad Museum The National Railroad Museum is a railroad museum located in Ashwaubenon, Wisconsin, US. Founded in 1956 by community volunteers, the National Railroad Museum is one of the oldest and largest U.S. institutions dedicated to preserving and ...

Green Bay, Wisconsin Green Bay is a city in Brown County, Wisconsin, United States, and its county seat. It is located at the head of Green Bay (Lake Michigan), Green Bay (known locally as "the bay of Green Bay"), a sub-basin of Lake Michigan at the mouth of the F ...

References

* {{DEFAULTSORT:Usra Light Santa Fe 2-10-2 locomotives 1′E1′ locomotives USRA locomotives ALCO locomotives Baldwin locomotives Freight locomotives Standard-gauge locomotives of the United States Railway locomotives introduced in 1918 Steam locomotives of the United States