Automotive Dictionary: Hypoid Oil

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Automotive Dictionary: Hypoid Oil


Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
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Hypoid Oil


Oil specially formulated with additives to withstand the extreme pressures generated between the teeth of hypoid gearing under heavy loading, which otherwise would break down the oil film. Extreme Pressure (EP) oils also resist high pressures, as in spiral bevel gearing I but are less able to withstand the I shearing action between hypoid gears.
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