The Dyson DC41 ErP DC55 Main Motor 850 WATTS SDS853ATDBC is a high-quality electric corded motor designed specifically for Dyson vacuum cleaners, such as the Dyson DC41 and DC55 models. Made from durable metal, this silver motor is suitable for upright vacuums and comes as a single pack. With a power output of 850 W, this motor is a reliable and efficient replacement part for your Dyson vacuum cleaner, ensuring that your appliance continues to function at its best.