Hello, I hope someone can give some insight to what happened last week. My tractor was being used for a few hours last week. According to my dad the engine changed sounds and he shut the tractor down. He checked the oil and it was dangerously low. The tractor was not smoking excessively and and no leaks were found. Put oil back in and started it back up. It ran okay but didn't sound exactly right. But, it got worse after a few minutes and seemed to be losing power. Then a knock/rattle appeared. I shut it down. But, it had already lost almost 2 quarts of oil in just a very short time. Still no leaks and no smoke. I know that probably the engine may need some work now but I would like to figure out where the oil went. I have talked to several people and we are puzzled to where the oil is going. I am sorry for such a long post.