Digging machine mounted at the rear of tractor

The utility model relates to a digging machine which can be matched with various existing farm tractors for application. The utility model is composed of a scoop with a telescopic cantilever, a machine frame for a control panel, a hydraulic device used for driving the scoop to work, and a transmission device. The machine frame can be tightly fixed at the rear axle of a tractor and below a casing of an engine flywheel. The control panel of the machine frame is provided with a hinge supporting assembly which can be used for being connected with the scoop of the telescopic cantilever by pin axles; a multiple directional control valve in the hydraulic device is connected with a hydraulic oil tank of the tractor by joints; a gear box in the transmission device is connected with a power output axle of the tractor. The utility model can be used for the small scale agricultural hydraulic engineering and the digging operation of the coutryside town civil house. The utility model has particularly good use value on the digging and backfilling operation aspect for the canal, the civil underground pipe ditch, etc.