WI 53707 / 86026770 120V 3-Stage Vacuum Motor for Windsor Carpet Extractors and Floor Scrubbers. Powerful 120V AC 3-Stage Ametek-Lamb vacuum motor with bottom inlet tube and tangential side discharge tube. 5.7" base diameter with 1-1/2" diameter bottom inlet tube. Fits many Windsor extractors and floor scrubbers. Replaces Windsor 53707, 8.602-677.0. Our Part Number WI 53707, WI 86026770