| 摘要 |
A scarifier/grader apparatus comprises, in combination, a tractor connected through a 3-point hitch to a scarifier/grader attachment wherein: the tractor is adapted to be operably connected through a three point hitch to a scarifier/grader attachment comprising a scarifier including hydraulics for raising and lowering a plurality of scarifying teeth borne thereon; a grading blade having a mold board and a cutting edge; a second frame interconnecting the scarifier frame and the blade in mutually spaced apart relation with the scarifier in operably leading relation and the blade in operably trailing relation, wherein the scarifier includes height-adjusting hydraulics for selectively raising and lowering the plurality of scarifying teeth borne thereon relative to the cutting edge.
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