The plow of PO-(4+1)-40 is intended for a smooth plowed land poorly and the srednekamenistykh of soils with a specific resistance up to 0,1 MPas (1,0 kgfs/cm 2 ), plowed land of 27 cm in depth.

The plow is aggregated with tractors of a class of 3.0 kN, with an engine capacity of 120 - 150 h.p. (Belarus-1221, 1523).