PROBLEM TO BE SOLVED: To provide a seedling transplanter having a transmission system for solving such a problem in which, in a conventional seedling transplanter, when starting seedling by making a machine body retreat for starting the seedling from a field end and descending a seedling planter at the field end, seedlings per share cannot be planted sometimes depending on the timing of conjunction and a work condition of a farm field, and it is necessary that a portion of the seedlings needs to be manually planted by a worker, or a complicated operation of a sub-gear change lever needs to be performed.SOLUTION: The problem is solved by arranging a seedling transplanter which has, at one side of the right and left of a traveling vehicle body (2), a movement switching member (101) for moving a sub-gear change operation member (16) to a "neutral form" position when the sub-gear change operation member (16) located in a "planting form" position is operated, and also has a brake member (104) at the other side of the right and left of the traveling vehicle body (2).COPYRIGHT: (C)2015,JPO&INPIT【課題】従来の苗移植機では、圃場端から植付を開始するために機体を後進させ圃場端に苗植付装置を降ろして植付を開始しようとする際に、連動のタイミングや圃場の作業条件によっては最初の一株分の苗の植付けができない場合があり、その部分を手作業で作業者が苗を植えるか、または副変速レバーの煩雑な操作を行う必要があった。よってこれらの問題を解消する伝動系を備えた苗移植機を提供することが、本発明が解決しようとする課題である。【解決手段】副変速操作部材(16)が「植付形態」位置に位置しているときに操作すると、副変速操作部材(16)を「中立形態」位置に移動させる移動切替部材(101)を走行車体(2)の左右一側に配置すると共に、ブレーキ部材(104)を走行車体(2)の左右他側に配置した苗移植機により上記問題を解決した。【選択図】図3