2-6-6-2

noun

Under the Whyte notation system, a Mallet-type locomotive with two leading wheels on a leading truck, two sets of six driving wheels, and two trailing wheels on a trailing truck.

Meanings

noun2-6-6-2 (plural 2-6-6-2s)

plural 2-6-6-2s

  1. Under the Whyte notation system, a Mallet-type locomotive with two leading wheels on a leading truck, two sets of six driving wheels, and two trailing wheels on a trailing truck.
Cite this entry
APA

2-6-6-2. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/2-6-6-2

MLA

“2-6-6-2.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/2-6-6-2. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “2-6-6-2,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/2-6-6-2.

Source: 2-6-6-2 on Wiktionary, CC BY-SA 4.0.