Komatsu Corporation

Masayoshi Nomoto

Makoto Sasaki

Hiroaki Tanaka

Takeshi Ikeda

A hydraulic excavator as a work vehicle includes: a revolving frame; and a cab. The cab includes: a floor member that faces the revolving frame, with a gap therebetween; a support base provided on the floor member and supporting an operator's seat; a pillar member connected to a left end of the floor member; and a reinforcing member connected to the pillar member and the support base. The hydraulic excavator further includes a restriction member provided in the gap and protruding from the floor member toward the revolving frame. The restriction member has a protrusion length shorter than a length of the gap in an up-down direction, and is provided below the support base.

Work vehicle

A cab includes: a pillar member; a beam member; and a rib member. The pillar member extends in an up-down direction. The beam member extends in a left-right direction. The beam member is connected to an upper end of the pillar member. The rib member is provided at a corner portion where the pillar member and the beam member intersect with each other. The rib member is connected to the pillar member and the beam member. The rib member is embedded in at least one of the pillar member and the beam member.

Cab and work vehicle

The front pillar disposed on the second side face of the cab is located behind the front pillar disposed on the first side face of the cab. The boom mounting bracket and the front pillar overlap each other in a side view.

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Tokyo, Japan

Masayoshi Nomoto