411 REFERENCE · Wiktionary
A1A-A1A
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
~ 1
en rail uncountable A wheel arrangement for diesel and electric locomotives with two three-axle bogies / trucks, the two outer axles of each bogie are powered and the centre axle is unpowered.
en 1960 April H. P. White The Railways of Sierra Leone Railway Magazine 284 There are five double-bogie A1A-A1A British-built diesel-electric locomotives, which are normally worked back-to-back under the control of a single driver.
en countable A locomotive with this wheel arrangement.
Usage notes
A bogie of this type is an A1A bogie:
en 2021 June 30 David Clough Brush: a UK rail icon RAIL 934 55 Overall weight was 87 tons and the locomotive was mounted on two A1A bogies.