FIELD: engineering support machinery. SUBSTANCE: multipurpose bulldozer equipment comes in the form of central blade and two side blades. Sweeping blade sections which can be transferred to working position and back with the help of hydraulic cylinder and return spring are mounted on back walls of side blades on rotary beams of side blades. EFFECT: diminished time of preparation of machine for mine-field crossing and reduced mass of working equipment. 2 dwg
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