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Definition of 2-12-4
1. Noun. Under the Whyte notation system, a steam locomotive that has two leading wheels, six pairs of coupled driving wheels, and four trailing wheels. ¹
¹ Source: wiktionary.com
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1. Noun. Under the Whyte notation system, a steam locomotive that has two leading wheels, six pairs of coupled driving wheels, and four trailing wheels. ¹
¹ Source: wiktionary.com