To start with, there are three main categories of tillers: cultivators ... engine with power enough to cultivate or till raised bed gardens or small flower beds,” explains Anne Fisackerly ...
Cultivators are smaller and lighter in weight than tillers, and are intended for preparing already established vegetable or ...
Instead of a power tiller, go the manual route with a garden ... If you cannot be bothered with tilling the garden, consider using a raised bed like this one from Land Guard.