Word.ws English Dictionary

4-6-6-4

4-6-6-4 noun: under the Whyte notation system, an articulated locomotive with four leading wheels on a leading truck, two sets of six driving wheels, and four trailing wheels on a trailing truck.

4-6-6-4: under the Whyte notation system, an articulated locomotive with four leading wheels on a leading...
Image: Brianmcfa, Public domain, via Wikimedia Commons

Noun

4-6-6-4 (plural 4-6-6-4s)

  1. Under the Whyte notation system, an articulated locomotive with four leading wheels on a leading truck, two sets of six driving wheels, and four trailing wheels on a trailing truck.

Forms of 4-6-6-4

plural4-6-6-4s

Questions about 4-6-6-4

What does 4-6-6-4 mean?
4-6-6-4 means under the Whyte notation system, an articulated locomotive with four leading wheels on a leading truck, two sets of six driving wheels, and four trailing wheels on a trailing truck.
What part of speech is 4-6-6-4?
4-6-6-4 is a noun.
What is the plural of 4-6-6-4?
The plural of 4-6-6-4 is 4-6-6-4s.

Words near 4-6-6-4 in the dictionary

  1. 4-6-4-4
  2. 4-6-4-4s
  3. 4-6-4s
  4. 4-6-6-2
  5. 4-6-6-2s
  6. 4-6-6-4
  7. 4-6-6-4s
  8. 4-7-8 method
  9. 4-8-0
  10. 4-8-0s
  11. 4-8-2

Source and license

Adapted from Wiktionary: 4-6-6-4 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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