PROBLEM TO BE SOLVED: To provide a working vehicle equipped with several mechanisms to improve operability while constituted to be capable of restricting and releasing various synchronization to correspond to various situations, and decreased in operation devices to suppress production cost.SOLUTION: The working vehicle includes a clutch/break synchronization mechanism 46 operating to be off a main clutch mechanism synchronized with on-operation of a break mechanism breaking a running part to be power-off while operating to be on the main clutch mechanism synchronized with off-operation of the break mechanism, a single on-off pedal 16 performing on-off operation of the main clutch mechanism and the break mechanism, a restriction mechanism 49 restricting synchronization with driving operation of a side clutch by an operation synchronization mechanism 54, an operation device 51 performing restriction operation restricting synchronization with driving operation of the side clutch through the restriction mechanism 49, and an on-operation mechanism 47 capable of operating to be on the main clutch mechanism when on-operation of the break mechanism with the on-off pedal 16 by the restriction operation of the operation device 51.COPYRIGHT: (C)2010,JPO&INPIT【課題】各種機構を設け操作性を向上させる一方で各種連動を規制又は解除可能に構成して種々の状況に対応できるようにするとともに、操作具を減らして製造コストを低く抑えた作業車両を提供する。【解決手段】走行部を制動させるブレーキ機構の入作動に連動して主クラッチ機構を切作動させて動力遮断状態とする一方でブレーキ機構の切作動に連動して主クラッチ機構を入作動させるクラッチ・ブレーキ連動機構46と、主クラッチ機構及びブレーキ機構の入切操作を行う単一の入切ペダル16と、操向連動機構54によるサイドクラッチの操向操作との連動を規制する規制機構49と、規制機構49を介してサイドクラッチの操向作動との連動を規制する規制操作を行う操作具51と、該操作具51の上記規制操作によって入切ペダル16によるブレーキ機構の入作動時に主クラッチ機構を入作動させることが可能な入作動機構47とを備えている。【選択図】図4
