PROBLEM TO BE SOLVED: To provide an agricultural machine capable of preventing soil from being stuck to an input shaft connection part of a joint supported by a quick coupler.SOLUTION: An agricultural machine 30 includes a machine body 62 connectable to a three-point link hitch 23 of a tractor 21 via a quick coupler 31. The machine body 62 includes a three-point linkage 61 connectable to the quick coupler 31 supporting an input shaft connection part 33 of a joint 32. The machine body 62 includes a pre-work body 73, a post-work body 74, and a press wheel 85. Further, the machine body 62 includes reinforcement-cum-prevention means 91 that reinforces the three-point linkage 61 and prevents soil from the pre-work body 73 side from heading for the input shaft connection part 33 side.
