Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: The front pillar is disposed on the first side face. The front pillar is disposed on the second side face and located behind the front pillar and behind the front end of the travel control levers. The front transparent member is disposed between the first side face and the second side face, and is connected to the front pillar. The lateral transparent member is connected to the front pillar on the second side face. The front transparent member and the lateral transparent member are joined by abutting against each other.