Portal axle

Rarity: Common

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At a glance

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Notion

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Science and technology

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What Wikipedia says

A portal axle (or portal gear lift) is an off-road vehicle suspension and drive technology in which the axle tube or the half-shaft is offset from – usually above – the center of the wheel hub and driving power is transferred to each wheel through a simple gearbox built onto each hub.

Excerpt from the Wikipedia article “Portal axle”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Gwafton, CC BY-SA 3.0, via Wikimedia Commons.