Upgraded folding semi-mounted disk aggregates BDU "BULAT" series PSM.
The distinctive feature of these aggregates is a remodeled rear of the harrow by the use of heavy tandemrink. The double-circuit hydraulic system is used. The packer device - heavy tandem rink is rigidly attachedto the frame, is made of a U-shaped profile. The bar equipped with a universal platform for the coupling theshackle.