This MTD Craftsman Snowblower Worm Shaft w/ Flats (part numbers 717-04126 and 917-04126) is perfect for those who need to replace their snowblower's worm shaft. This open box item is in like-new condition, and is compatible with models such as the Yard Machines 31AS6FEF700. With a clearing width of 26", this two stage snowblower is powered by gas and boasts a 4-stroke engine type.