US Motors K55HXMKS-0549 Furnace Blower Motor 115V 1/2HP 1075RPM 4SPD 100650-01. Used in Excellent Working Condition. Condition a little rough (see pictures) – Motor runs fine. EChecks must clear before item(s) are released. Tracking information will be available upon request. We do our best to ensure the accuracy of every listings. Unfortunately, do to our high volume, mistakes sometimes occur. Get Supersized Images & Free Image Hosting. Showcase your items with Auctiva’s. Track Page Views With.