Deere and Company at 537-8233 from 8 a.m. to 6 p.m. ET Monday through Friday and Saturday from 9 a.m. to 3 p.m. ET or online at www.deere.com then click on USA, then select Product Recall Information on the drop-down menu under Services & Support for more information. This recall involves John Deere models Z445, Z645, Z655, and Z665 zero-turn mowers with serial numbers beginning with 1GXZ, manufactured from August 10, 2015 through September 9, 2015.