2-6-6T

2-6-6T

2-6-6T

Locomotive wheel arrangement

In the Whyte notation for describing steam locomotive wheel arrangement, a 2-6-6 is a locomotive with a two-wheeled leading truck, six driving wheels, and a six-wheeled trailing truck. All the locomotives produced of this arrangement have been tank locomotives, and the vast majority in the United States. It was a popular arrangement for the larger Mason Bogies, as well as some of the largest suburban tank locomotives.

ALCO-built 2-6-6 suburban tank locomotive of the New York Central and Hudson River Railroad.

The locomotive was mostly used in the Denver, South Park and Pacific Railroad.[1][2] It also saw usage in New York and Chicago.[3]

Equivalent classifications

Other equivalent classifications are:

References

  1. [1]
    Robertson, Donald B. (1986). Encyclopedia of Western Railroad History. Caxton Press. p. 37. ISBN 978-0-87004-385-7.
  2. [2]
    Poor, Meredith Clarence (1949). Denver, South Park & Pacific: A History of the Denver, South Park & Pacific Railroad and Allied Narrow Gauge Lines of the Colorado & Southern Railway Company. Rocky Mountain Railroad Club. p. 466.
  3. [3]
    Kalmbach Media Company (2022). Classic Trains - Spring 2022. pp. 18–21.


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