As the loader in the process of steering produces pressure shock and pressure fluctuation due to the position of the cylinder hinge point arrangement, in this paper, the minimum stroke difference, the minimum arm dif? ference, and the minimum steering power are set as objective functions, and Genetic algorithms are used to optimize it. The AMESim simulation and experiment are combined to verify the feasibility of the optimization results. After the optimization, the average stroke difference is reduced by 89.23%. The average moment arm difference is reduced by 88.40%. The average power consumed by the engine at idle and full speed is reduced by 32.56% and 24.03%, respec? tively. Through an in-depth study of stroke difference and moment arm difference curves, moment arm difference is identified as the dominant factor causing pressure fluctuation. Genetic algorithm is used to optimize the cylinder hinge coordinates quadratic. The optimization results show that the maximum stroke difference and moment arm dif? ference are reduced by 14.29% and 19.44%, respectively, compared with the first optimization. A full load and full speed fast rotation experiment are carried out after the cylinder is modified by the hinge point. There is no obvious pressure anomaly in its pressure curve.