High-pin­ion?

4 x 4 Australia - - Custom -

WHEN talk­ing diff cen­tres the terms high- and low-pin­ion can come up in con­ver­sa­tion. If you’re not fa­mil­iar with the terms don’t be too em­bar­rassed, as they’re ir­rel­e­vant in 99 per cent of sit­u­a­tions. The pur­pose of a diff cen­tre is to re­di­rect drive run­ning down the ve­hi­cle, and to send it out to the wheels. It does this by run­ning a pin­ion gear along the side of a crown wheel (or ring gear). High-or low-pin­ion sim­ply in­di­cates whether the pin­ion gear con­nects on the top or bot­tom half of the crown wheel.

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