driving axle

English

Alternative forms

• drive axle

Noun

driving axle (plural driving axles)

1. An axle which transfers power to a powered wheel from an engine, as in a steam locomotive.
   • 1961 March, Cecil J. Allen, “Locomotive Running Past and Present”, in Trains Illustrated, page 154:

     And what about the cracked driving axles that took a number of the Southern "Merchant Navy" Pacifics out of action and brought various borrowed strangers on to Southern metals, such as V2 2-6-2s from the Eastern Region?