This washing machine comprises of a truncated conical water tank (1) having inside a smaller truncated conical clothes drum (2). Clothes drum (2) has an inside partition (16) with sliding bolts (29) and a top detachable lid (17). Drive shaft (5) driven by an electrical motor (7) rotates the clothes drum (2). Clothes drum (2) has water circulating slots (15). Water tank (1) has valve fitted water inlet (11) and water drain (8). The water tank (1) has reinforcing outside ribs (28). Sensors for water level, temperature, fabric load fitted in the water tank and connected to the electronic control (4) controls the wash cycle. The truncated water tank uses less water. The clothes drum washes small and big clothes separately.