Gearbox oil ratings?

I wanted to know if there is a difference between EP 80 and EP 80W. Or EP is just an additive in the usual oils with grades W for extreme pressure?

Asked on 24 September 2015 by Abene1357

Answered by Alan Ross

The EP is indicating as you said that it is Extreme pressure oil normally used in transmissions etc. The W is indicating that it is a winter grade, suitable for cold climates.
So the only difference is that the W is indicating suitable for cold climates.

Tags: gearbox oil

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