Hitachi Construction Machinery Co., Ltd.

Kabushiki Kaisha Kcm

Kcm Corporation

Tatsuo Oouchi

Koji Hyodo

Tetsuji Tanaka

Isamu Aoki

Takashi Takeyama

Katsutaka Hara

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.

Work vehicle

Growing community of inventors

Ryugasaki, Japan

Tatsuo Oouchi