Shear stability is the big difference between John Deere oil and Rotella. Learned this at a John Deere Expo years back. Rotella is a superior oil for road use. Think of a semi working the engine to get up to speed and then when it does, the rpm's go down and the engine isn't working so hard. Now...
I am completely in agreement. I work in parts at a JD dealer and we also carried Bush Hog brand mowers and equipment. People would come in and want parts for their "Bush Hog" and get confused when I would pull out the Bush Hog catalog and then they would look at me like I was dumb when they...