I clear a lot of land, and so I went in a different direction in terms of rakes. I built a 3 point hitch, pin wheel rake with solid teeth and screening. The screening between the wheel rims allows soil to be filtered through, yet windrow the rocks. For areas of heavy limbs and woody debris that could get jammed in the steel screens, I put round discs on.
It is not super efficient because it only casts debris to one side, so I have to make a pass, the circle around, and then rinse and repeat to clear an area, constantly pushing the debris to one side until it is too big of a pile to push with my little tractor. But sitting on a seat and driving tractor in circles is a lot better then moving rocks and limbs by hand!
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