Joseph C Saugerties , NY December 03, 2021 Appliance: KitchenAid 6 Quart Professional 600 Bowl Lift Stand Mixer KP26M1XPM5 Kitchenaid Mixer Kp26m1xpm5: Stripped gears. How to replace Retaining Ring (Drive Shaft). Ordered new gears and replaced. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes