PROBLEM TO BE SOLVED: To provide the operation control device of a working vehicle, which can simplify operations, when a work is performed from the starting state of an engine.SOLUTION: The operation control device of the working vehicle is characterized in that an operation control means C is formed to operate an acceleration means 63 in the rated rotation state and operate a work clutch 14 in a clutched state, when the start of a work is commanded with a work-commanding means 25.COPYRIGHT: (C)2009,JPO&INPIT【課題】 エンジンの始動状態から作業を行うときの操作の簡略化を図ることができる作業車の操作制御装置を提供する。【解決手段】 操作制御手段Cが、作業指令手段25にて作業開始指令が指令されると、アクセル手段63を前記定格回転状態に操作し且つ作業クラッチ14を前記入り状態に操作するように構成されている作業車の操作制御装置。【選択図】 図5