Plows of PKMP-4-40R (PKM-4-40R) are intended for processing old arable, is weak also the srednekamenistykh of soils with a specific resistance up to 0,1 MPas (1,0 kgfs/cm), and plowed land up to 25 cm in depth. Plows work at all types of soils with humidity of the processed layer to 25%. Height of an eddish and herbage to 25 cm.

Plows are aggregated with class 2 tractors. 0 — Belarus-1221, with a width of a track of a tractor of 1800 mm.