USRA Light Mikado 2-8-2

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The USRA Light Mikado 2-8-2 was a widely used World War I–era American freight steam locomotive type designed for balanced performance and standardized construction across multiple railroads.

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Statements (48)

Predicate Object
instanceOf USRA standard locomotive design
freight locomotive
steam locomotive type
axleArrangement eight driving wheels on four axles
two leading wheels on one axle
two trailing wheels on one axle
boilerType fire-tube boiler
brakeType air brakes
category 2-8-2 locomotives
standard steam locomotives of the United States
configurationName Mikado NERFINISHED
countryOfOrigin United States of America
surface form: United States
cylinderConfiguration simple expansion
cylinderCount 2
designedBy USRA Mechanical Engineering staff
designedFor balanced performance
operation on lighter track than heavy Mikado designs
standardized construction
use on multiple railroads
designer United States Railroad Administration NERFINISHED
designPhilosophy standard design adaptable to many railroads
developedDuring United States Railroad Administration control of railroads
era World War I era
fuelType coal
gauge 4 ft 8 1⁄2 in
historicalSignificance one of the most widely used USRA standard locomotive types
introduced 1918
nickname USRA Light Mikado NERFINISHED
periodOfUse 1910s
1920s
1930s
1940s
1950s
powerType steam
primaryUse freight service
relatedDesign USRA Heavy Mikado 2-8-2 NERFINISHED
serviceRole general freight
road freight
standardGauge yes
standardizationGoal interchangeability of parts
simplified wartime production
tenderType coal and water tender
UICClassification 1′D1′ h2
usedBy multiple American railroads
usedIn United States freight operations
valveGear Walschaerts valve gear
wheelArrangement 2-8-2
WhyteNotation 2-8-2

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Full triples — surface form annotated when it differs from this entity's canonical label.

USRA standard steam locomotive designs hasPart USRA Light Mikado 2-8-2