4-2-0

noun

Under the Whyte notation system, a steam locomotive that has a four-wheel leading truck followed by a single driving axle.

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Meanings

noun4-2-0 (plural 4-2-0s)

plural 4-2-0s

  1. Under the Whyte notation system, a steam locomotive that has a four-wheel leading truck followed by a single driving axle.
Cite this entry
APA

4-2-0. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/4-2-0

MLA

“4-2-0.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/4-2-0. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “4-2-0,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/4-2-0.

Source: 4-2-0 on Wiktionary, CC BY-SA 4.0.