PURPOSE: A washing device is provided to expand a volume without changing an existing design. CONSTITUTION: A cabinet(100) forms an exterior and has an opening unit which laundry is injected. A tub(200) stores washing water by installed inside the cabinet. A drum(300) accepts the washing water by being combined inside the tub. A motor rotates a drum by being combined to a rear side of a drum. A spider rotates a drum by being combined to an outside rear wall of a drum and is combined to the motor rotatably. A plurality of lifters is selectively installed to one between a front side or rear side inside the drum. A plurality of lifters is separately installed to the first lifter which is selectively installed to other one among the front side or rear side inside the drum.
