Locomotive wheel arrangement
2-10-2 (Santa Fe) |
ATSF tandem compound 2-10-2 |
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First known tender engine version |
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First use | 1903 |
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Country | United States |
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Locomotive | AT&SF 900 class |
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Railway | Atchison, Topeka and Santa Fe |
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Builder | Atchison, Topeka and Santa Fe |
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Evolved from | 2-10-0, 2-8-2 |
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Evolved to | 2-10-4 |
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Benefits | Deeper firebox and better steaming than the 2-10-0 |
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Drawbacks | Nosing action at speed |
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First known "True type" version |
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First use | 1919 |
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Country | United States |
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Locomotive | AT&SF 3800 class |
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Railway | Atchison, Topeka and Santa Fe |
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Builder | Atchison, Topeka and Santa Fe |
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Evolved to | 2-10-4 |
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Benefits | Larger and deeper firebox |
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Drawbacks | Nosing action at speed |
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Under the Whyte notation for the classification of steam locomotives, 2-10-2 represents the wheel arrangement of two leading wheels, ten powered and coupled driving wheels, and two trailing wheels. In the United States and elsewhere the 2-10-2 is known as the Santa Fe type, after the Atchison, Topeka and Santa Fe Railway that first used the type in 1903.