The 1BJ series folding wing hydraulic offset heavy harrow is suitable for pre-cultivation stubble removal and post-cultivation soil breaking in wasteland and heavy clay soil. On cultivated land, it can replace the plow for the first operation. On uncultivated land, the harrowing depth can reach 180mm in one pass. The cultivated land surface is flat, and the soil breaking and stubble removal performance is good. This harrow has the characteristics of easy hooking, convenient adjustment, flexible turning, and good road passing performance.