Locomotive profile: 4-8-0 Mastodon type steam locomotive

Strasburg Rail Road 4-8-0 Mastodon-type steam locomotive No. 475 pulls a tourist train in Pennsylvania.
Strasburg Rail Road 4-8-0 Mastodon-type steam locomotive No. 475 pulls a tourist train in Pennsylvania.
Jim Wrinn
4-8-0

•YEARS BUILT: 1890s to 1935

•MANUFACTURERS: Brooks, Rogers, Alco, Baldwin, Norfolk & Western

•OPERATED ON: Jersey Central, Lackawanna, Union Pacific, Winston-Salem Southbound, Norfolk & Western, Delaware & Hudson, Great Northern, Northern Pacific, Illinois Central, Missouri Pacific, Southern Pacific, among others

•NAMES: Mastodon, Twelve-Wheeler

•QUANTITY: About 600; Norfolk & Western had the most with 286 on the roster

•BOILER PRESSURE: 180 psi

•KNOWN FOR: Key freight locomotive; displaced in the early 1900s by bigger power

•STATUS: Several in museums, one in operation on the Strasburg Rail Road in Strasburg, Pa.
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