Blossary – balance shaft

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balance shaft

Engine shaft designed so it rotates in a way that reduces or cancels out vibrations produced by the engine, resulting in reduced noise, vibration and harshness (NVH) in the passenger compartment

In 4-cylinder engines, two shafts turning in opposite directions on either side of the engine’s crankshaft are generally used, while in V-type engines, a single balance shaft is used.