PROBLEM TO BE SOLVED: To provide a tractor on which an operator can check which working machine is linked with a tractor and set which working machine is linked to the tractor. A work machine that is configured to interlock the operation of the operation unit of the tractor with the operation of the work machine and has a determination operation unit that can switch the work machine to the interlocked state, and the work machine that is determined to be in the interlocked state by the determination operation unit A control unit for controlling the operation unit of the tractor connected to the control unit, and an operation tool provided on the operation unit of the tractor, when a sprayer is interlocked as the working machine, In the operation tool, a spray start/stop function of the sprayer, a spray amount adjustment function of the sprayer, a boom expansion/contraction adjustment function of the sprayer, a boom tilt adjustment function, a boom opening/closing adjustment function, the At least one of the boom up/down adjustment functions is assigned. [Selection diagram] Fig. 11【課題】オペレータがトラクタ側で、どの作業機と連動しているかの確認及びどの作業機と連動させるかの設定を行うことができるトラクタを提供する【解決手段】作業機を装着できるトラクタにおいて、前記トラクタの操作部の操作を前記作業機の作動と連動可能に構成し、前記作業機を連動状態に切り換え可能な決定操作部を設け、前記決定操作部にて連動状態に決定された作業機を制御する制御部を設け、前記制御部に接続された前記トラクタの操作部と、前記トラクタの操作部に設けられた操作具とを備え、前記作業機としてスプレイヤーが連動されている場合、前記操作具に、前記スプレイヤーの散布開始／停止機能、前記スプレイヤーの散布量の調整機能、前記スプレイヤーのブームの伸縮調整機能、前記ブームの傾斜調整機能、前記ブームの開閉調整機能、前記ブームの昇降調整機能のうち、少なくともひとつの機能が割り当てられている。【選択図】図１１
