Skip to content
EntityQ464411· pop 5· linked from 177 articles

Also known as 2CC2, 2332, 3/5×2, Challanger

thumb|300x300px|Union Pacific Challenger No. 3814 was one of the first examples of a 4-6-6-4 locomotive In the Whyte notation for classifying steam locomotives by wheel arrangement, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by two sets of six coupled driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers.

Wikidata facts

Image
WheelArrangement 4-6-6-4.svg
Show 1 more fact
Commons category
4-6-6-4 locomotives
Sources (2)

via Wikidata · CC0

~5 min read

Encyclopedic overview

3 sections
Contents
  • Roster of locomotives
  • References
  • External links

thumb|300x300px|Union Pacific Challenger No. 3814 was one of the first examples of a 4-6-6-4 locomotive In the Whyte notation for classifying steam locomotives by wheel arrangement, a 4-6-6-4 is a railroad steam locomotive that has four leading wheels followed by two sets of six coupled driving wheels and four trailing wheels. 4-6-6-4's are commonly known as Challengers.

A similar wheel arrangement exists for Garratt locomotives, on which both engine units swivel, but is referred to as 4-6-0+0-6-4.

Excerpted from Wikipedia’s “4-6-6-4” article, available under the CC BY-SA 4.0 licence.

Available in 5 languages

via Wikidata sitelinks · CC0