December 21st - 3rd Coast Photography

The Berkshire locomotive came about because due to Lima's hope (an established and well-known manufacturer of steam power) to improve upon the USRA Mikado design (2-8-2), which lacked sufficient speed and horsepower. Based initially from a New York Central's Class H-7 Mikado, what Lima ultimately came up with was a locomotive that included a larger, 100 square foot firebox which necessitated the need for an extra trailing axle. The addition of this axle gave the new design (listed as Class A-1) a 2-8-4 wheel arrangement.

Pere Marquette 1225
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