Agricultural trailer

The utility model discloses an agricultural trailer, which belongs to the technical field of agricultural machinery and comprises a frame, a traction part, wheels, a sliding frame device, a carriage and a hydraulic rod, the traction part is hinged at one end of the frame, a pair of wheels is mounted at the bottom end of the frame and is rotatably connected with the frame, the sliding frame device comprises a sliding frame, and the carriage is rotatably connected with the sliding frame. The sliding frame is hinged to the frame, the carriage is connected to the sliding frame in a sliding mode, the bottom end of the hydraulic rod is hinged to the frame, and the top end of the hydraulic rod is hinged to the bottom end of the sliding frame. In the using process, the carriage is in sliding contact with the ground along the sliding frame in the unloading process, the center of the carriage is lowered in the unloading process, and unloading is convenient; during loading, the carriage slides backwards along the slidin