Well, the time window in which you should do certain farming operation without product degradation is often quite short and having smaller tractor doing it auto

Well, the time window in which you should do certain farming operation without product degradation is often quite short and having smaller tractor doing it autonomously might not cut it. Once you need to buy few of those to replace one you are buying into bigger chance to failure, more maintenance duties etc and it might result in higher cost per unit.