The bachelor thesis deals with the current overview of small modular system used in agriculture, characteristic features of the VARI modular system and its currently available work equipment. Subsequently, possibilities of extending the usability of VARI modular system work equipment, with regard to the use of existing work equipment.The aim of this work is to design the specific rebuilding of the T2 rotary hoe to the verticutter / aerator. Then, we chose the most appropriate design method of the three variants by analyzing the values and processing the solution design visualization.