To efficiently perform auxiliary work such as replenishment of in-vehicle objects to agricultural work vehicles.An agricultural work vehicle is provided with a storage section (70D) for storing a traveling route in a field, an automatic operation for automatically moving the vehicle body in a plurality of work traveling routes based on the traveling route and the positioning result of the positioning unit (83) An automatic operation control unit 70E for executing a work traveling control, an in-vehicle load calculating unit 70G for obtaining an in-vehicle quantity of an in-vehicle object which changes with traveling, and an on-A change amount estimating unit 70H for estimating a change amount of the on-board object in the work traveling route, and a work travel determining unit 70K for calculating the change amount of the in-vehicle object based on the in-vehicle amount of the in-vehicle load calculating unit 70G and the change amount of the change amount estimating unit 70H And an informing control unit 70F which activates the alarm device 101 when it is determined that it is impossible to continue the work traveling to the work end point of the work traveling route.(FIG.【課題】農作業車に対する車載物の補給などの補助作業を効率良く行えるようにする。【解決手段】農作業車は、圃場内での走行経路を記憶した記憶部70Dと、走行経路と測位ユニット83の測位結果とに基づいて複数の作業走行経路にて車体を自動で作業走行させる自動作業走行制御を実行する自動運転制御部70Eと、走行に伴って変化する車載物の車載量を求める車載量演算部70Gと、現在の作業走行経路での自動作業走行制御の実行中に次の作業走行経路での車載物の変化量を推定する変化量推定部70Hと、作業走行判定部70Kが、車載量演算部70Gの車載量と変化量推定部70Hの変化量とに基づいて、次の作業走行経路の作業終了地点までの作業走行の継続が不可能であると判定された場合に、報知器101を作動させる報知制御部70Fとを備えている。【選択図】図5
