Had the B&S engine on my Troy built go out after 7-8 years. Still have it. Might end up just buying a new engine for it someday. The mechanic I use for small engines called me up about a month ago, and said he was selling his personal tiller, as he went to all raised bed. It's about 25 years old, a John Deere 820. This thing is built like a tank!! Has a 8-9 hp. B&S on it. I believe it to be a commercial tiller. Paid $300 for it. Used it today for 4-5 hours, and chewed up some pretty tough ground. I've got 3-4 inch's of top soil, and clay under that. Don't think I'd buy another Troy built, as they were bought out years back by MTD. They really cheapened them up. gypsyman