What is the recommended gear oil?

[Drewminator]

I have a Dana-44 with 48 gears and an ARB. What is the better oils and weight for proper lubrication of the gears and locker?

Thanks-

[OU812]

There are some hi quality oils around (such as amsoil products). But I end up changing my gear oil so often doing things like axle seals and such, I just use valvoline 75w-90. Its cheep and easy to cary spares. Just my opinion.

[JJsKJ]

factory spec for a Rubicon D44 as an example is 75w140. Towing applications spec the same. Amsoil makes a really nice 75w110 that is competitively priced. Check out this gear oil white paper to see how the various brands stack up:
http://www.amsoil.com/products/gearl...hitePaper.aspx

That will give you an apples to apples comparison and show that some of the popular brands don't do as well as even GM's syn.

[Drewminator]

Thank you all for your input. This way I can find a quality oil that will maintain the amount of friction and heat to a respectable level without breaking down and damaging the gears

[pachizeron]

Use valvoline 75w-90. Its one of the best. Why don't you give it a try? It worked well form.

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