A three-point tractor hitch is a linkage system that allows other implements to be attached to your tractor, enabling it to perform extra tasks. Not all three-point hitches are created equal; when buying extra implements for your tractor, you must ensure that they fit the type of three-point hitch that it carries. If you are buying a lawn tractor, a compact tractor, or a subcompact tractor, it will likely have a Category 0 or 1 three-point hitch.