Hitachi Construction Machinery Co., Ltd.

Daiki Tetsuka

Shinjiro Saito

Masayuki Fukushi

Provided is a dump truck capable of performing an actuation test of an emergency brake system at an appropriate timing. The dump truck comprises: front wheel and rear wheel emergency brake systems, each system including an accumulator that accumulates hydraulic oil supplied from a hydraulic pump, a brake device that is actuated by the hydraulic oil supplied from the accumulator, and a solenoid valve that opens and closes a flow path of the hydraulic oil extending from the accumulator to the brake device; and a controller configured to execute front test processing and rear test processing alternately (step S/step S) in the case of determining that the dump truck is stopped (step S: Yes), a vessel is in a fallen position (step S: YES), and a loading operation onto the vessel is completed (step S: Yes/step S: Yes).

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Tsukuba, Japan

Daiki Tetsuka