engine hour

noun

An hour of operation of an engine.

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Meanings

nounengine hour (plural engine hours)

plural engine hours

  1. An hour of operation of an engine.

    The remaining four locomotives in traffic […] are all expected to be stood down due to their high engine hours, as well as being due exams which the company is not prepared to undertake.

    2023 November 29, “Last remaining DB Cargo Class 60s face final workings in December”, in RAIL, number 997, page 19
    1 more example

    Locomotive care is based on a system of preventive maintenance on an engine-hour basis. The majority of locomotives are not yet fitted with engine-hour recorders and examinations are, therefore, based on a computation of the locomotive-hours in traffic.

    1964 January, “The maintenance of B.R. diesel-electric locomotives”, in Modern Railways, page 54
Cite this entry
APA

engine hour. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/engine%20hour

MLA

“engine hour.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/engine%20hour. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “engine hour,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/engine%20hour.

Source: engine hour on Wiktionary, CC BY-SA 4.0.