• This is a tractor-driven second ground-finishing multipurpose machine. This instrument lifts up the soil and the weeds, and overturns it. Disc harrow is made of high carbon steel and their edge is 5-7 cm Happens till then. Their edges are sharp, which cut the soil. The discs are attached to a line and the spool is inserted in the middle of the disk which maintains the distance from the disk to the disk. The havens are set to an angle from the walking direction. If this angle is increased, the cutting edge of the clay increases. This instrument depends on how the group of fraternities is interconnected.