The transmission box and power output of this model adopt meshing sleeve shifting and anti disengagement devices to solve the problem of disengagement; The model has a compact structure, easy maintenance, reliable operation, and few malfunctions; Adopting hydraulic steering, the operation is light and easy, greatly reducing labor intensity; Four wheel drive is more adaptable to heavy and humid soil operations; Hydraulic lifting adopts force and position adjustment; It can meet the requirements of pear plowing and rotary tillage well, maintain consistent plowing depth, and can be used as a transport vehicle or as a fixed power source for water pumping, threshing, etc; Multi speed power output can meet various agricultural operation requirements such as rotary tillage, plowing, raking, sowing, etc.