The invention relates to a remote control rubber caterpillar tractor speed changing box. The remote control rubber caterpillar tractor speed changing box is characterized in that the speed changing box further comprises a remote control, a receiver, an electromagnetic valve and a plunger cylinder, a speed changing box body serves as a framework, a speed changing box cover is installed on the speed changing box body, a power output shifting rod, a gear position shifting rod and a high-low speed shifting rod are installed on the speed changing box cover respectively, a clutch shaft is disposed on the upper portion of the speed changing box body, a power output shaft, a main shaft, a II-III gear shaft and three shifting fork shafts are sequentially installed on the upper portion of the speed changing box body, a high-low speed shaft, a steering shaft, a braking shaft and a power separating braking system are sequentially mounted in the middle of the speed changing box body, a pinion shaft and a drive shaft are disposed on the lower portion of the speed changing box body, the plunger cylinder is fixedly installed on outer sides of bearing caps at two ends of the steering shaft, the plunger cylinder is connected with the electromagnetic valve through a hydraulic oil pipe, an oil inlet of the electromagnetic valve is connected with a hydraulic oil pump through the hydraulic oil pipe, the electromagnetic valve is connected with the receiver through electric wires, and the remote control is in a wireless connection with the receiver. According to the remote control rubber caterpillar tractor speed changing box, manual and remote control operations can be achieved, and the usage is convenient and reliable.