PROBLEM TO BE SOLVED: To easily change a height from a field surface to a travel vehicle body in a work vehicle.SOLUTION: A work vehicle comprises: a travel vehicle body 2 comprising left and right front wheels 3L, 3R and left and right rear wheels 4L, 4R a left and right pair of dispersion boom mechanisms 100L, 100R for using rotary parts 300L, 300R each of which is provided on each of left and right sides of the travel vehicle body 2 for rotating toward each of left and right sides of the travel vehicle body 2 and an epipastic tank 9 for storing an epipastic mounted on the travel vehicle body 2, in which a transmission part in which a drive shaft for driving the left and right front wheels and the left and right rear wheels is included is formed of an upper transmission case 410 and a lower transmission case 430, and a spacer transmission case 420 is constructed between the upper transmission case 410 and the lower transmission case 430.SELECTED DRAWING: Figure 8COPYRIGHT: (C)2019,JPO&INPIT【課題】作業車両において、圃場面から走行車体までの高さを容易に変更することを課題とする。【解決手段】左右前輪3L,3R及び左右後輪4L,4Rを備えた走行車体2と、前記走行車体2の左右側に設けられた回動部300L,300Rを利用して、前記走行車体2の左右両側に向けて回動可能に配置された左右一対の散布ブーム機構100L,100Rと、前記走行車体2に載置された散布剤を貯留する散布剤タンク9を備えた作業車両において、前記左右前輪及び左右後輪を駆動する駆動軸を内装する伝動部を上側伝動ケース410と下側伝動ケース430から構成し、前記上側伝動ケース410と下側伝動ケース430の間にスペーサ伝動ケース420を構成したことを特徴とする作業車両とする。【選択図】図8
