Genuine Dyson DC15 Brush Roll Motor With Gear Box - 909617-02Genuine Dyson DC15 Brush Roll Motor With Gear Box. Fits Dyson DC15 models: All Floors, Animal, Full Kit, HSN Exclusive, Total Clean. The Dyson DC15 Brush Bar Motor 909617 02, sits on the top of the cleaner head assembly. This Brush motor is responsible for turning the brush roller, eliminating the need for a clutch. The brush bar is split into two pieces, both sides connect to the motor to spin brush bars without the use of belts. part no # 909617 02