hourly rating

noun

A measure of the maximum output, usually expressed in horsepower, that can be obtained from the motors of an electric locomotive for a period of one hour without the motors overheating.

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Meanings

nounhourly rating (plural hourly ratings)

plural hourly ratings

  1. businessA measure of the maximum output, usually expressed in horsepower, that can be obtained from the motors of an electric locomotive for a period of one hour without the motors overheating.

    The year 1926 saw the putting in service of the first of the magnificent 1-Co-Co-1 locomotives of Type Ae 6/8, which at the time of their construction, with their hourly rating of 4,500 h.p., were the most powerful single electric locomotive units in the world.

    1960 December, Cecil J. Allen, “Operating a mountain main line: the Bern-Lötschberg-Simplon: Part One”, in Trains Illustrated, page 743
Cite this entry
APA

hourly rating. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/hourly%20rating

MLA

“hourly rating.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/hourly%20rating. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “hourly rating,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/hourly%20rating.

Source: hourly rating on Wiktionary, CC BY-SA 4.0.