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Header of 4-6-4


4-6-4 is a palindrome (it reads the same backward as forward).

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Video footage: CANADA - OCTOBER 2, 2010: A steam train passing, CP Rail 4-6-4 Royal Hudson pulling 1940s era heavyweight passenger cars on October 2, 2010 in Canada
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Definition of the noun 4-6-4

What does 4-6-4 mean as a name of something?


  1. Under the Whyte notation system, a steam locomotive that has four leading wheels arranged in a leading truck, six coupled driving wheels and four trailing wheels in a trailing truck.


4-6-4: Under the Whyte notation for the classification of steam locomotives, 4-6-4 represents the wheel arrangement of four leading wheels on two axles, usually in a leading truck, six powered and coupled driving wheels on three axles, and four trailing wheels on two axles, usually in a trailing truck. In France, where the type was first used, it is known as the Baltic, while it became known as the Hudson in most of North America.

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