Transfer case with high-power power output, agricultural machine transmission system and self-propelled agricultural machine

The utility model relates to the technical field of agricultural machine transfer cases, in particular to a high-power power output transfer case which comprises a main transfer case and an angle transmission case, the input end of the main transfer case is used for being connected with the output end of an engine, the output end of the main transfer case is connected with the input end of the angle transmission case, and the angle transmission case is connected with the main transfer case. A dry type hydraulic clutch is arranged in the main transfer case, a wet type hydraulic clutch is arranged in the angle transmission case, a motor connector is arranged on the wet type hydraulic clutch, the motor connector is connected with a hydraulic motor, and the wet type hydraulic clutch and the dry type hydraulic clutch are both connected with a control valve set. The characteristics of flexible transmission of hydraulic transmission and high efficiency of mechanical transmission are integrated, the control reliabili