> Not to mention tracks have to slide sideways to turn and that is bad for your topsoil. It's unusual and perhaps not suited to large tracked vehicles, but the

> Not to mention tracks have to slide sideways to turn and that is bad for your topsoil. It's unusual and perhaps not suited to large tracked vehicles, but there is an alternative to using differential track speed for turning: track warping. Basically the vehicle bends the tracks one way or the other to induce a turn. The turning radius sucks though.