Quote:
Originally Posted by 96greengt
keep your experience off the intrawebz and in your left hand.....
lmao
75W140 is a synthetic gear oil, it holds up longer then the regular weights. Plus, I'd venture to say the the trucks you speak of are fleet accounts, which see abuse more often, so shorter intervals are required for services.
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these are just everyday trucks. we see like 2-3 work trucks a day tho.