CONSTRUCTION MACHINE WITH CAB CONSTRUCTION

A cab (8) is provided with a cab box (13) in which a space between each of pillars (14 to 18) is covered by each of surfaces (13A to 13F) and the inside becomes an operator's room (13G) and a door (24) mounted on the left intermediate pillar (16). On a rear surface portion (14D) of the left front pillar (14), a protruding portion (23A1) of a mounting plate (23A) is provided in a state protruding to the door (24) side. On a mounting opening (24E) on the inner surface side of the door (24), a door holding member (28) engaged with an engaging member (23) and holding the door (24) at a closed position is provided. On the door (24), a retreating recessed portion (29) for avoiding interference with the protruding portion (23A1) of the mounting plate (23A) is provided on the front side from the door holding member (28).