Importance

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Abstract

A working vehicle includes a control valve unit with a service actuator control valve, a first drive unit, a travel unit, a lower body, an upper body, a cab, a plurality of work units and a plurality of hydraulic traveling motors, an operation unit, a quick hitch, an attachment, a trigger-switch, a plurality of solenoid valves and a plurality of pipelines, and a controller. The controller performs control that, in a case where the controller receives the trigger signal from the trigger-switch to release the lock of the quick hitch, the pressure oil in the plurality of pipelines is returned to the hydraulic oil tank by energizing the plurality of solenoid valves with the first drive unit stopped.

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First Claim