Work vehicle
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United States of America Patent
Stats
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Oct 4, 2016
Grant Date -
Apr 9, 2015
app pub date -
Oct 2, 2014
filing date -
Oct 3, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A work vehicle including a front work device, contains: a variable displacement hydraulic pump that is driven by an engine and supplies pressure oil to an actuator that drives the front work device; an exhaust gas purification device that purifies nitrogen oxide in exhaust gas discharged from the engine using a reducing agent solution stored in a reducing agent tank; a remaining amount detection device that detects a remaining amount of the reducing agent solution in the reducing agent tank; and a control unit that decreases output torque of the engine and also decreases a rotational speed of the engine in a rated point according to decrease of the remaining amount of the reducing agent solution detected by the remaining amount detection device.
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