Abstract: Through the continuous introduction of new technologies, agricultural machinery achieves the goal of improving the energy performance and operating efficiency of agricultural machinery. In recent years, electronic management systems have been able to automatically select and rotate engine gears, reducing fuel consumption per hour. This research evaluates and analyzes the influence of automatic transmission and engine speed management system on the performance of an agricultural tractor. The test adopts a random grouping design and is carried out in a 50-meter-long strip structure. The test variable is whether there is an automatic management system for transmission and engine rotation. Three different loads are applied to the drawbar. The test data uses analysis of variance and Tukey test.. The research results show that adding an automatic management system for transmission and engine rotation can reduce wheel slip by 20%, increase tractor operating speed by 10%, and save fuel consumption by 28%. The research results are of great significance for improving the performance, design and manufacturing of tractors.