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Definition of 4-8-4
1. Noun. Under the Whyte notation system, a steam locomotive that has four leading wheels arranged in a leading truck, eight coupled driving wheels and four trailing wheels in a trailing truck. ¹
¹ Source: wiktionary.com
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1. Noun. Under the Whyte notation system, a steam locomotive that has four leading wheels arranged in a leading truck, eight coupled driving wheels and four trailing wheels in a trailing truck. ¹
¹ Source: wiktionary.com