Minitype remote-control chain-type tractor

The invention discloses a minitype remote-control chain-type tractor. A belt variable speed case is arranged between an engine and a gear box, wherein the engine transmits power to the belt variable speed case by a main clutch and drives two drive sprockets of a crawler by two steering clutches; the main clutch, the middle driving wheel of the belt variable speed case, the steering clutches, agricultural implement lifting and an engine revolving speed control accelerator are all driven by a small hydrocylinder; the small hydrocylinder is controlled by solenoid directional valves, and each solenoid directional valve is provided with a radio frequency remote control receiver and a remote control unit for remotely controlling or manually controlling. The minitype remote-control chain-type tractor can pass through fruit trees and under crowns, can conveniently finish operation items of weeding, loosening the soil, fertilizing and the like and is especially suitable to use in low orchards and greenhouses with thick planting.