Yanmar Holdings Co., Ltd.

Hiroki Kabata

Daisuke Kawaguchi

Masashi Danguchi

Naoto Kageyama

Katsuya Miyazaki

Kazuki Takeda

A control method of a work machine in which a rotation number of a fan that takes outside air into an engine room accommodating an engine varies with a rotation number of the engine, includes: executing first control of regenerating a collecting filter unit that collects particulates contained in exhaust gas of the engine by a temperature rise of the exhaust gas; when the work machine is changed from a steady state to a specific state, executing second control of decreasing an amount of working oil discharged from a hydraulic pump by driving of the engine; and, when the first control and the second control are concurrently executed, executing third control of increasing the rotation number of the engine.

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Fukuoka, Japan

Hiroki Kabata