GRAVEL REMOVING MACHINE

PROBLEM TO BE SOLVED: To provide a gravel removing machine capable of effectively collecting gravel selected from a clod of a farm land by throwing in a gravel collection tank without deviation.SOLUTION: The gravel removing machine 1 includes: a digging part 3 that digs out the clod of the farm land; a soil treatment conveyer 4 that crushes the clod dug out by the digging part 3 and that sorts gravel; and the gravel collection tank 5 that moves between a position where the soil treatment conveyer 4 throws the sorted gravel and the position where the conveyer discharges the thrown gravel. The gravel removing machine 1 also includes, when the gravel collection tank 5 moves from the throwing position to the discharging position, a conveyer retracting device 6 that retracts a terminal part of the soil treatment conveyer 4, which is disposed at an inside of the gravel collection tank 5, into the outside of the gravel collection tank 5.