If you've ever popped the hood on a 100掳F+ afternoon and felt heat radiating off your machine before you even touched it, you already know what we're about to explain. That same kind of heat can affect your final drive motors, too. According to Brendan Casey in Machinery Lubrication,.
We鈥檙e going to talk about what's happening inside your final drive motor when it's this hot, and what you can do about it.
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What Does Heat Do to a Final Drive Motor?
Here's the simple version of what's happening 鈥渦nder the hood鈥�: is supposed to be thick enough to keep a protective film between all those moving metal parts inside your final drive (e.g., gears, bearings, the works). Think of it like the difference between spreading cold honey and warm honey. Cold honey holds its shape and coats things nicely. Warm honey runs thin and slides right off. Yourhydraulic fluid and gear oil do the same thing when the Texas heat gets into them: they thin out, and that protective film gets thinner right along with them.
