No idea on the question, Dev. I do know that front loaders use a tumble action to wash the clothes, a lot more gentle on the laundry. They also use a lot less water. The average top loader beats the hell out of the laundry, I remember the old Frigidaire washers that used an up and down agitator instead of back and forth.
Kenmore large appliances are made by several manufacturers, they usually have a low priced line and a high end line. The Kenmore top loader that came with this house was terrible, had 2 solenoids on a shaft that moved them back and forth constantly. I repaired it so many times, the last time it quit it went out the door.
Years ago my parents bought only Frigidaire appliances, they were high quality. The problem is that if a manufacturer builds a unit that never wears out...when will the customer replace it? There are a few brands I favor such as Friedrich for air conditioners, Frigidaire, the high end Kenmore models. I have a mid 1980's KitchenAid dishwasher which is top notch.
A front loader is the way to go, as Yanche suggests-look into the Stabler.
Also, Ian is right on the wash tank. My Kenmore has a sensor for controlling the wash temp when using the warm wash setting but no way to heat the water in the machine once it's in there.
Some large large commercial units use steam injection to heat up the load, hmmm-coal fired boiler and steam injection into the washer...sounds like a plan.
I suppose I could install one of these in the new barn:
I see no reason why my wife can't do the laundry the old fashioned way, seems OK to me.