Gardening in the conditions of mountainous and foothill zones with the use of new technologies is a promising direction of agriculture. Terra-sizing in mountainous and foothill zones contributes to the development of new areas for fruit crops, which are not suitable for gardening without this event, which is a priority in conditions of limited land use areas. The main direction of improving soil care technologies in gardens, in the conditions of the foothill zone, is the introduction of mechanization tools for processing the trunk strips of terraces, ensuring the effective use of the root system of fruit plantations. The problem faced by farmers in these conditions is the lack of modern equipment for the care of the trunk strips of fruit plantations. The introduction of new machines and units for the mechanical processing of the barrel circle in one pass of the unit, contributing to the increase of soil fertility in the conditions of terraces, is relevant. A constructive and technological scheme of the working body of a garden cutter is proposed, the technical result of which is to perform a highquality processing process in the area of the trunk circle by ensuring the bypass of the rotors around the tree stem, in one pass of the unit along the row line, for which a utility model patent was obtained. Analytical dependences have been obtained that allow us to determine the influence of the main design parameters, as well as the operating modes of the new milling cutter design, on the quality of the technological process.