Railroads & Locomotives Locomotives Locomotive profile: 2-6-6-2 Mallet steam locomotive

Locomotive profile: 2-6-6-2 Mallet steam locomotive

By Angela Cotey | February 20, 2020

| Last updated on November 3, 2020

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A 2-6-6-2 Mallet style steam locomotive ascends a grade in the Eastern United States.

Chesapeake & Ohio Historical Society

2-6-6-2

•YEARS BUILT: 1906 to 1949

•MANUFACTURERS: Alco, Baldwin, Brooks

•OPERATED ON: Railroads that hauled coal trains, and other heavy trains needing maximum tractive effort. Also used by some logging railroads in a tank engine version.

•NAME: Mallet

•QUANTITY: 918; C&O had the most with 250

•BOILER PRESSURE: 210 psi

•KNOWN FOR: Used for hauling coal and log trains

•STATUS: Western Maryland Scenic Railroad is restoring Chesapeake & Ohio No. 1309; Black Hills Central in South Dakota and Niles Canyon Railway in California also operate tank Mallets

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