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.
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:
- UIC classification: 1C3 (also known as German classification and Italian classification)
- French classification: 133
- Turkish classification: 37
- Swiss classification: 3/7
References
- ^ Robertson, Donald B. (1986). Encyclopedia of Western Railroad History. Caxton Press. p. 37. ISBN 978-0-87004-385-7.
- ^ 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.
- ^ Kalmbach Media Company (2022). Classic Trains - Spring 2022. pp. 18–21.
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Steam locomotive wheel arrangements (Whyte notation)
- 0-3-0 (monorail)
Duplex engine types
Fairlie, Meyer
and Garratt types
Mallet types
Triplex and other Multiplex types
Engerth types
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