PROBLEM TO BE SOLVED: To partially change a rotating posture or a beak part locus of a planter arm and improve scraping off performance or planting performances. SOLUTION: This transplanter is obtained by freely rotatably installing a planter arm 14 for carrying out the scraping off and planting of seedlings according to the rotation of a rotary case 9 at the end of the rotary case 9 fixed to a planting driving shaft 10, partially forming ranges B and C for changing the tooth thickness different in the tooth thickness based on the basic gear thickness in each planetary gear 13 composing an irregular motion gear train and correcting the rotation posture of the planter arm 14 based on the setting of the tooth thickness of the ranges B and C when controlling the rotation posture of the planter arm 14 through the irregular motion gear train internally installed in the rotary case 9.
