4-8-4+4-8-4
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English[edit]
Noun[edit]
4-8-4+4-8-4 (plural 4-8-4+4-8-4s)
- Under the Whyte notation system, a Garratt steam locomotive that is articulated in three parts, with a boiler mounted on the centre frame, and two steam engines mounted in opposite directions on separate frames, one on each end of the boiler, and each engine having a 4-8-4 wheel configuration.