This thesis deals with the technical and economic evaluation of tractor transport kits. The first part is indicated the current situation in construction of tractors and there is, more detailed description of structural elements of tractors NewHolland T7050 PowerCommand and AutoCommand. In the second part there is the methodology of laboratory measurements and their subsequent evaluation. The third part deals with the field measurements, where is described the detailed profile of the test track and measurement methodology. At the end the measured data were given into the tabular and graphical form and finally evaluated. The evaluation of the data shows that the transmission is suitable for transports. The thesis came to the conclusion about which kit had the best results according the conditions.