PROBLEM TO BE SOLVED: To facilitate maintenance work by bringing the upper part of a control pump into a widely opened state where many opportunities of inspection and adjustment, in a spraying work vehicle where a spraying boom developed to a side is provided in the left and right of a machine body and a chemical tank with a large capacity is provided in the rear of the machine body.SOLUTION: A spraying work vehicle is provided in which an internal combustion engine 2 is mounted in the front part of a vehicle body 1B traveling with front wheels 3FL, 3FR and rear wheels 3RL, 3RR, a drivers seat 6 is provided in the front/rear center, a chemical tank 20 is mounted in the rear, and a spraying boom (5) constituted so as to be switched between a liquid chemical spraying posture extending in the lateral direction and a storage posture extending in the side of the drivers seat in the longitudinal direction is mounted in the front part of the vehicle body (1B). The spraying work vehicle is characterized by mounting a chemical pump 27 for pumping a solution in the chemical tank 20 to the spraying boom 5 to the vehicle body 1B in the rear lower part of the chemical tank 20.SELECTED DRAWING: Figure 1【課題】機体の左右に側方へ展開する散布ブームを設け機体後部に容積の大きな薬剤タンクを設けた散布作業車において、点検や調整の機会が多い防除ポンプの上部を広く開放してメンテナンス作業を行い易くすることを課題とする。【解決手段】前輪3FL、3FRと後輪3RL、3RRで走行する車体1Bの前部に内燃機関2を搭載し、前後中央に運転席6を設け、後部に薬剤タンク20を搭載し、車体(1B)の前部で左右方向に延びる薬液散布姿勢及び運転席の側方を前後方向に延びる収納姿勢に切り替え可能に構成した散布ブーム(5)を搭載した散布作業車において、前記薬剤タンク20内の溶液を散布ブーム5に圧送する薬剤ポンプ27を薬剤タンク20の後下方で車体1Bに搭載したことを特徴とする散布作業車とする。【選択図】図1
