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