2-10-2
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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
ATSF tandem compound 2-10-2
The first QJ class locomotive
Prussian T 20, class BR95
SEK class Μα
2-10-0
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Under the Whyte notation for the classification of steam locomotives, 2-10-0 represents the wheel arrangement of two leading wheels on one axle, ten powered and coupled driving wheels on five axles, a
2-10-2
…after the Atchison, Topeka and Santa Fe Railway that first used the type in 1903. The 2-10-2 wheel arrangement evolved in the United States from the 2-10-0 Decapod of the Atchison, Topeka and Santa Fe Railway (ATSF). Their existing 2-10-0 tandem compound locomotives, used as pushers up Raton Pass, encountered…
Pennsylvania Railroad I1s Locomotive
Seaboard Air Line #544, one of over 200 undelivered Russian Decapods. It resides at the North Carolina Transportation Museum. Note the smaller boiler diameter, compared to the I1s above
The same Russian Decapod, showing the large gap between the boiler and drivers, typical of locomotives designed for Russia
A BR50