A working machine comprising: a machine body; an operator's seat mounted on the machine body and including a seat part and a backrest part; a manipulator base disposed on a lateral side of the operator's seat; and a housing body for housing a printed material therein, wherein the manipulator base includes a console box, the working machine being characterized in that the console box includes an intermediate section lying in the middle of the console box in a front-rear direction, a front section that protrudes forward from the intermediate section, and a drink holder included in the front section, the drink holder includes a top edge portion which defines a top end opening of the drink holder, the housing body is disposed forward of the backrest part and on an opposite side of the drink holder from the operator's seat, the housing body includes a wall located on a lateral side of the drink holder, an engagement portion to be hooked on the top edge portion of the drink holder, and an attachment part to be attached to the manipulator base, the attachment part being disposed below the engagement portion, and the engagement portion is located substantially in the middle of the wall in a top-bottom direction and located substantially in the middle of the wall in the front-rear direction, and includes an upper wall that extends from the wall laterally on the same side of the wall as the operator's seat and a bent-down wall that extends downward from a distal edge of the upper wall. a machine body; an operator's seat mounted on the machine body and including a seat part and a backrest part; a manipulator base disposed on a lateral side of the operator's seat; and a housing body for housing a printed material therein, wherein the manipulator base includes a console box, the working machine being characterized in that the console box includes an intermediate section lying in the middle of the console box in a front-rear direction, a front section that protrudes forward from the intermediate section, and a drink holder included in the front section, an intermediate section lying in the middle of the console box in a front-rear direction, a front section that protrudes forward from the intermediate section, and a drink holder included in the front section, the drink holder includes a top edge portion which defines a top end opening of the drink holder, the housing body is disposed forward of the backrest part and on an opposite side of the drink holder from the operator's seat, the housing body includes a wall located on a lateral side of the drink holder, an engagement portion to be hooked on the top edge portion of the drink holder, and an attachment part to be attached to the manipulator base, the attachment part being disposed below the engagement portion, and a wall located on a lateral side of the drink holder, an engagement portion to be hooked on the top edge portion of the drink holder, and an attachment part to be attached to the manipulator base, the attachment part being disposed below the engagement portion, and the engagement portion is located substantially in the middle of the wall in a top-bottom direction and located substantially in the middle of the wall in the front-rear direction, and includes an upper wall that extends from the wall laterally on the same side of the wall as the operator's seat and a bent-down wall that extends downward from a distal edge of the upper wall. is located substantially in the middle of the wall in a top-bottom direction and located substantially in the middle of the wall in the front-rear direction, and includes an upper wall that extends from the wall laterally on the same side of the wall as the operator's seat and a bent-down wall that extends downward from a distal edge of the upper wall.