The piece attaching the blade to the mower can crack and break off. the broken piece or the blade can be propelled from underneath the mower, possibly injuring the operator or a bystander. hazard recalls

CPSC, Ariens Co. Announce Recall of Lawn Mowers

The recalled Ariens, Scotts, and Husqvarna rotary lawn mowers are walk-behind, 21-inch gas-powered mowers. The Ariens mower has an orange mower deck with black handlebars. The Husqvarna and Scotts mowers have an orange mower deck with gray handlebars. A label on the top of the deck area behind the engine of the mowers has the following model and serial numbers: Model Number Serial Number Scotts model #907254 serial numbers 101 to 019124 Ariens model #911513 serial numbers 101 to 001242 Ariens model #911514 serial numbers 101 to 006616 Ariens model #911515 serial numbers 101 to 001445 Ariens model #911516 serial numbers 101 to 005105 Husqvarna model #601100020 serial numbers 101 to 003115 Husqvarna model #601100021 serial numbers 101 to 000720 and serial numbers 2301 to 002576 Husqvarna model#601100022 serial numbers 101 to 002797