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The 49T hybrid tractor adopts P2 technical route to ensure that the shifting power is not interrupted and the vehicle shifts smoothly. In terms of performance, the 110kw axial flux motor with low speed and high torque is used to meet the application scenario of heavy load. In terms of structure, the flat design further shortens the axial size of the system, which is conducive to the layout of the vehicle transmission system, and the energy cost is saved by 20 %.