1HZ(HX) semi-mounted offset heavy-duty harrow is suitable for stubbing before plowing and crushing soil after plowing in the waste land and heavy soil. The harrow can also replace a plow to carry out the first operation in the long-cultivated land. The depth of one time plowing in the uncultivated land can reach 180 mm. The harrow performs well in surface leveling, soil crushing and stubbing after plowing. The harrow has the advantages of easy hanging, convenient adjustment, flexible turning, good road passing performance, etc.