PROBLEM TO BE SOLVED: To provide a work vehicle excellent in durability in which a second work part attached to the rear part of a first work part is separated from the first work part backward by easy work without requiring a large space in the rear.SOLUTION: A rice transplanter 1 includes a travelling machine body 2, a planting part 20 connected to the rear part of the travelling machine body 2, and a first spraying device 85 and a second spraying device 101 attached to the planting part 20. The first spraying device 85 and the second spraying device 101 are attached to the rear part of the planting part 20 so as to move in a longitudinal direction through a parallel linkage mechanism 126 with connection shafts 161 and 162 extending in a vertical direction as spindles.SELECTED DRAWING: Figure 18【課題】後方に大きなスペースを要することなく容易な作業で、第１の作業部の後部に取り付けられる第２の作業部を第１の作業部から後方へ離間させるとともに、耐久性が良好な作業車両を提供する。【解決手段】田植機１は、走行機体２と、走行機体２の後部に連結される植付部２０と、植付部２０に取り付けられる第１の散布装置８５及び第２の散布装置１０１と、を備え、第１の散布装置８５及び第２の散布装置１０１は、植付部２０の後部に、上下方向に延びる連結軸１６１，１６２を支軸とする平行リンク機構１２６を介して前後方向に移動可能に取り付けられる。【選択図】図１８
