PROBLEM TO BE SOLVED: To provide a rice transplanter capable of moving accurately, a seedling mount base to a seedling supply position, without varying a speed change state in traveling.SOLUTION: A rice transplanter comprises: a travel machine body which can self travel and has a drive part 11； a first speed change device to which power of the drive part 11 is input, and which outputs travel speed change power and operation speed change power by changing speed of the input power； a second speed change device 19a to which the operation speed change power is input, which changes speed of the input power for outputting second operation speed change power； a seedling transplanting device 2 comprising a seedling mount base which reciprocates in a lateral direction by the second operation speed change power； operation speed detection means 32d for detecting reciprocation operation speed of the seedling mount base； and a seedling transplanting device control part 31 for executing seedling supply position movement work for moving the seedling mount base to a seedling supply position which is a reciprocation operation position for supplying seedlings, and controlling an output rotary number of the second speed change device 19a for setting the reciprocation operation speed to preset speed.SELECTED DRAWING: Figure 3COPYRIGHT: (C)2020,JPO&INPIT【課題】走行に関する変速状態が変化せずに、苗載台を苗補給位置に精度よく移動できる田植機を提供する。【解決手段】駆動部１１を有する自走可能な走行機体と、駆動部１１の動力が入力され、入力された動力を変速して走行用変速動力と作業用変速動力とを出力する第一変速装置と、作業用変速動力が入力され、入力された動力を変速して第二作業用変速動力を出力する第二変速装置１９ａと、第二作業用変速動力によって左右方向に往復動作する苗載台を有する苗植付装置２と、苗載台の往復動作速度を検出可能な動作速度検出手段３２ｄと、苗を補給するための往復動作位置である苗補給位置に苗載台を移動させる苗補給位置移動作業を実施するとともに、往復動作速度が予め設定された速度となるように、第二変速装置１９ａの出力回転数を制御する苗植付装置制御部３１と、が備えられている。【選択図】図３
