Experimental 3-cylindered
The New York Central had two L-1 locomotives rebuilt by Alco in 1922 with three cylinders to help determine if three-cylinder drive was worthwhile. They were substantially more powerful than the two cylinder locomotives but it was debatable if the additional maintenance headaches of that third, hard to reach central cylinder, valve gear, main rod and crank axle were worthwhile. The NYC must have come down on the negative side of that question, for no more were built.
Read more about this topic: NYC Mohawk
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