PROBLEM TO BE SOLVED: To provide a machine that can serve as both soil excavator and ridge former and that is configured to effectively use spaces on the other side of a machine frame, the machine including: a soil excavating mechanism having an excavating rotor provided on one side of the machine frame connected to a machine body, the mechanism enabling excavation of old ridge soil as a preliminary operation for ridge forming work and a ridge forming mechanism having a rotational ridge forming body provided on the other side of the machine frame, the mechanism enabling an excavation operation and a ridge forming operation of old ridges, in which the machine can also perform a preliminary excavation for the ridge forming work, a land leveling work of a field, weeding work as well as the ridge forming work.SOLUTION: The present invention includes: a machine body 1 that can advance in a field M a machine frame 3 connected to the machine body 1 an excavating mechanism 4 provided on one side of the machine frame and having an excavating rotor 5 for excavating old ridge soil and a ridge forming mechanism 6 having a rotational ridge forming body 7 provided on the other side of the machine frame that can level old ridges W.
