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n. A shaft that turns or is turned by a crank.

n. A rotating shaft that drives (or is driven by) a crank.

n. a rotating shaft driven by (or driving) a crank

"Keyed on to the crankshaft is a flanged pulley 10 in. in diameter by 3¼ in. between flanges."

rotating shaft    shaft   

tappet    camshaft    sonett    intercooler    high-set