The deferent hydraulic motor provides power for the transport system of the machine to pluck the grease tea fruit,its dynamic performance has a great influence on the stability of the transport system.The article based on the flow continuity and moment equilibrium equation of the deferent hydraulic motor for the research foundation,building its dynamic simulation model use MATLAB/Simulink.and then setting the relevant parameters base on the type of the deferent hydraulic motor and simulation,checking the correctness of the mo...