The thesis on the theme-Possibilities of reduction costs by tractors kit for treatment of soil-is giving us in the theoretic part basic information about construction of nowadays tractors, possibilities its traction and effectiveness of use. It deals with economy of treatment of soil primarily with energy demands and effectiveness tillage. In the practical part of this thesis is processed field measurements, which was made for purpose to evaluate usage of traction hydraulic cylinder plough. It was investigated how the features of traction cylinder are influencing fuel consumption, traction of wheel and efficiency of tractors kit.