PROBLEM TO BE SOLVED: To provide a transplanter capable of performing intrarow adjustment with a simple structure.SOLUTION: A transplanter comprises: a travel vehicle body 15 a plantation tool 11 disposed on a rear side of the travel vehicle body 15, and planting seedlings on a farm field a vertical movement arm drive shaft 440 for vertically oscillating the plantation tool 11 a plantation clutch 420 for switching turning on and off of transmission of rotation force to the vertical movement arm drive shaft 440 a cam member 441 disposed on a transmission downstream side of the plantation clutch 420 a first arm 460 for switching the plantation clutch 420 a solenoid 470 for driving the first arm 460 and a second arm 462 which links to the drive of the first arm 460, and coming into contact with the cam member 441 and operating according to a shape of the cam member.SELECTED DRAWING: Figure 5