The 192 gearbox of tracked rotary cultivator is the standard configuration adopted by a 35 HP tracked rotary cultivator in dry land produced by a domestic factory. The patented technology product of walking gearbox 192 boxes, and the rear farm tool box is thickened 10 1 box, and the forward and backward rotation control is carried out. The forward and reverse gearboxes with a trench of about 20-25 cm can realize the same gearbox, and both forward and reverse gearboxes can be used (using the same gearbox,