Synthetic gear oils for trans, transfer and axles recommendations needed

May 26, 2005 2 Replies

What weight synthetic gear oils are used for the transmission, transfer case and front and rear axles?



Any recommendations on brands?


For what?

If you have an AX15 tranny (TJ and some YJ's), you'll need to use GL3 (low ash content). Red Line is the only syth I know of that produces this, though there may be others. Mobil 1 is good for the diffs.

What T-Case? If it's stock for a TJ or YJ, you'll need ATF.

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