Rear end Gear lube

[SSDiv6]

Originally Posted by Chipper Chapman

There is a straight 50w gear lube available for HD Truck transmissions like Eaton-Fuller, we used it religiously up north in the oilfields, I've often though it would be a good balance between normal 'thick' gear oil and dexron or engine oil, as I've known a few guys that ran 5w20

With you guys up North, even airliners have to use a different fuel and turbine engine oil! Many vehicles require even a different type of power steering fluid to operate in cold weather.