Transmission & Gear Oils

August 17, 2018

My vehicle’s transmission specifies an API GL-4 gear oil. Can I use Max Gear?

Yes. Max Gear is completely non-corrosive to soft yellow metals (brass, bronze, copper) so it is synchronizer-safe like a GL-4 gear oil. However, because of Royal […]
August 17, 2018

My vehicle has a limited-slip differential. Do I need to add additional friction modifiers when using your Max Gear?

No. All viscosity grades of Max Gear are formulated with limited-slip friction modifier necessary for some limited-slip differentials. No additional additives should be necessary.
August 17, 2018

Can I use your Max ATF® in my transmission?

Check your owner’s manual for verification. A complete list of warranty applications can be found on our Max ATF product page.