Raymond H Two Rivers , WI August 30, 2014 Appliance: Model 6 QUART KITCHEN AID STAND MIXER Cracked transmission house Replaced original plastic house with replacement ( aluminium ) house. Added all new grease. Easier than I thought it would be. 1 hour and we were good to go. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours