crank·​shaft | \ ˈkraŋk-ˌshaft How to pronounce crankshaft (audio) \

Definition of crankshaft

1 : a shaft driven by or driving a crank
2 : a shaft consisting of a series of cranks and crankpins to which the connecting rods of an engine are attached

Examples of crankshaft in a Sentence

Recent Examples on the Web But the internal motor is updated with pistons, rods, crankshaft and camshaft. Phoebe Wall Howard, Detroit Free Press, "FCA mechanic is quietly transforming muscle cars in unmarked garage in Macomb Co.," 11 Jan. 2020 Enhancements to the engine relative to the 50i's unit include a block made of a new aluminum alloy, a viscous damper on the crankshaft, stronger pistons and piston rings, and an iron coating on the cylinder walls. Daniel Golson, Car and Driver, "The 2020 BMW X5 and X7 Get New M50i Performance Variants," 22 May 2019 Instead, eTorque's point of connection is at the engine's crankshaft. Matthew Jancer, Popular Mechanics, "Ram 1500 eTorque: Why the Electrified Pickup Truck Is Even Better," 19 Sep. 2018 To find the extra grunt for JCW models, Mini modified the crankshaft, installed new main bearings, a larger turbocharger, and JCW-specific pistons and connecting rods, and tweaked the compression ratio. Annie White, Car and Driver, "The 2020 Mini JCW Countryman and Clubman Get More Power," 14 May 2019 Also, if the oil is too thick, the engine requires more energy to turn the crankshaft, which is partly submerged in a bath of oil. Paul Weissler, Popular Mechanics, "How to Pick the Right Motor Oil for Your Car," 14 Feb. 2019 Kurek made three pieces for the show including a bench from pallet wood; an old iron gate and flooring out of an old Baltimore row home and a table made out of a crankshaft, pistons and license plates. Lyndi Mcnulty,, "An Eye for Art: Manchester artist fell in love with making ‘something cool out of nothing’," 14 Aug. 2019 Every crankshaft has a pulley, which is held on by a bolt on the front of the engine. Ray Magliozzi,, "Car Talk: Seize this opportunity to learn about your engine," 28 July 2019 When the Ram 1500 accelerates at low speed, its regenerative capability acts as a motor that delivers power to the engine's crankshaft like a helping hand. Matthew Jancer, Popular Mechanics, "Ram 1500 eTorque: Why the Electrified Pickup Truck Is Even Better," 19 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'crankshaft.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of crankshaft

1854, in the meaning defined at sense 1

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The first known use of crankshaft was in 1854

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Last Updated

23 Jan 2020

Cite this Entry

“Crankshaft.” Dictionary, Merriam-Webster, Accessed 19 Feb. 2020.

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How to pronounce crankshaft (audio)

English Language Learners Definition of crankshaft

technical : a long metal piece that connects a vehicle's engine to the wheels and helps turn them

More from Merriam-Webster on crankshaft

Rhyming Dictionary: Words that rhyme with crankshaft Encyclopedia article about crankshaft

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