A multifunction rotary tiller (100 200 300) for moving the earth and/or generating furrows comprises: a main frame (1), moving means (2) connected to the main frame (1) for supporting and moving the machine, a tool unit (3) to move the earth and/or generate furrows, a connection frame (4) connected to the main frame (1) in such manner to project frontally from the main frame, a vertical rod (8) which supports said tool unit (3) and can rotate around an axis of rotation (Y), and actuation means (9) of the vertical rod connected to said vertical rod (8) to let the vertical rod (8) rotate around its axis of rotation (Y), in such manner to move the tool unit (3) in different positions.
