No. In fact, on many farms all over the country there are children who aren't even old enough to get a driver's license who operate tractors. And that's how most people learn to drive tractors--someone in the family shows them. But, for someone who didn't learn on a farm, most tractor dealerships will show you how to operate a tractor if you are buying one, and if you are required to operate one for work, there should be on-the-job training available. Really, though, operating a tractor is just like operating a riding lawnmower. It's pretty simple.