light engine

light engine

English

Noun

light engine (plural light engines)

  1. (rail transport) A locomotive running on its own, or with other powered locomotives, with no wagons or carriages attached.
    • 1960 December, “Motive Power Miscellany: London Midland Region”, in Trains Illustrated, page 767:
      After a week's manœuvrability tests at Winwick, the locomotive was to undergo three weeks' trials, light engine and loaded, between Whitchurch and Tattenhall Junction.
    • 2026 March 18, “More GBRf Class 99s arrive”, in RAIL, number 1057, page 13:
      On February 24, 99003 undertook its first solo main line test - as a light engine - on both routes. 99004 followed suit on March 2.

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