Rotary harrow RBN 9 TM DEMETRA, Kirovohrad region.

Rotating harrow, mounted, universal designed for continuous and inter-row operation
processing of any grain crops, soybeans, fallow crops, vegetables, etc. on
all types of soils. This unit is also used for mechanical wrestling.
with weeds and digging of crop residues into the soil.

The working body of the section is equipped with a stamped tooth, structurally identical to the working bodies of John Deere harrowsбороны John Deere.
(//tractor-service.com)
And also the advantage is that
The upper part of the rack is installed on two rolling bearings, the pendulum mechanism of the working bodies is also installed on two rolling bearings, the elimination of the smallest backlash increases the resource of this unit.
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A height adjustment screw is installed on the bracketsupport wheel, which ensures the most accurate adjustment of the soil processing depth
The higher the speed, the stronger the loosening of the soil. The pendulum on two stars ensures copying of the soil relief and the same depth.
processing across the entire width.
For work on vegetative plants, the stars are arranged with a bend in
directions of movement and ensure an almost vertical entry of the tooth needle into the soil, without thus damaging the plant.