<p> A cab body having a panel part. The panel part includes a recess that is upwardly recessed. A floor frame includes a protrusion and supports the cab body. The protrusion is disposed so as to project from the recess and has a shape that projects upwards. A seal member seals the gap between the recess and the protrusion. The seal member has a first contact surface, a second contact surface, and an inclined surface. The first contact surface makes contact with the protrusion. The second contact surface makes contact with the panel part. The inclined surface is inclined relative to the first contact surface and the second contact surface. A bracket has an attachment part and a pressing surface. The attachment part is attached to the panel part. The pressing surface presses the inclined surface.</p>
