Which dishwasher today on the market has the most powerful motor? I know motor power isn't everything, but I am genuinely curious.
Most powerful motor
- Thread starter Chetlaham
- Start date
Help Support :
Maytag
Thanks 
I feel the members more versed in the technicalities of motor wattages and amps and such can weigh in here, but I concur with Bob about Maytag. They are marketed as having the largest and most powerful motor on the market in today's machine lineups. KitchenAid also seems to have a fairly large motor that looks to be the same size as the Maytag, and it's variable speed. I have no idea of the actual differences in size and power output though. The Whirlpool I have, despite having a motor rated at 55W, can apparently run at something over 100W when needed according to some research that johnb300m did, and it seems accurate because of the experiment I did a while back with the Kill-A-Watt connected to the machine. The motor would increase power draw when switching to the upper arm, and it definitely packs a punch because I've had numerous instances where a cup has been flipped or bowls have clinked together on either rack. If you're looking for a old fashioned traditional wash system though, the Maytags fit the bill. The one my mother-in-law has seems to do a fantastic job, is super quiet, runs all arms at once and uses "plenty" of water without being a guzzler.
"On the market"
There are some semi-professional machines out there with pretty damn powerfull motors. The closest to home-usable would be the Miele Professional. The fully integrated 120V version has a maximum recirculation rate of 190l/min, equal to ~50gal/min.
The "walk in store and buy" option I guess would be Maytag. 3/4hp, ~570W.
There are some semi-professional machines out there with pretty damn powerfull motors. The closest to home-usable would be the Miele Professional. The fully integrated 120V version has a maximum recirculation rate of 190l/min, equal to ~50gal/min.
The "walk in store and buy" option I guess would be Maytag. 3/4hp, ~570W.
Question, where would a BOL GE rank? I see 1.8amps on the label which is about the same as the Maytag.
1.8A
https://www.maytag.com/kitchen/dish...shwasher-with-powerdry-option.mdb8979sfz.html
1.8A is their smaller, 1/3 hp motor, I suppose. Thisone has the 3/4hp motor.
https://www.maytag.com/kitchen/dish...shwasher-with-powerdry-option.mdb8979sfz.html
1.8A is their smaller, 1/3 hp motor, I suppose. Thisone has the 3/4hp motor.
3/4
I think thats an over rate. Maybe that model has changed, but the one I bought several years ago was weaker.
I think thats an over rate. Maybe that model has changed, but the one I bought several years ago was weaker.
The Internet says this is the Maytag motor.
I found one on the repairclinic site rated at .24hp for the 8959 I think, so I guess that 3/4hp is just a wrong spec sheet.
Yup
Thats it!
Thats it!
Seems highly unlikely that a home dishwasher nowadays would have a 3/4 HP motor. Washing machines back in the day rarely had motors that large.
Huge motors
Never really bothered about that much, so I thought "Huge water volume, food disposal, could be right!".
Over here, replacement parts barely ever come with specs, and the brushless once are even worse in that matter with variable speeds.
Never really bothered about that much, so I thought "Huge water volume, food disposal, could be right!".
Over here, replacement parts barely ever come with specs, and the brushless once are even worse in that matter with variable speeds.
I contacted WP a couple years ago inquiring about the HP of their motors. They told me they don't rate their motors much anymore. After finding for myself that .18HP and .24HP I can see why!
I think HP is a bad unit for power anyways for stuff like appliances. At least I always found technical literature in SI units, and that is what most people can relate stuff to.
200W is about what a good powerfull PC draws in low-med use cases.
1000W is what I vacuum my carpets at.
1500W is about the max power for a standard american 120V circut.
2000W is a iron, a kettle, a EU washer, a small burner on my induction hoob.
3000W is professional small vented dryer possibly, a strong steam generator iron, a big induction cook zone.
And 5000-6000 W is higher voltage standards in both EU and US, powering industrial washers and dryer, or in the US vented electric dryers.
Given 0.24hp equals about 180W.
That is considerable for a DW. We can compare that to some other pumps (WPs smaller 50-100W recirculation motor, and drain pumps with 25-50W, depending) and see that this will move more water for sure. We can put that into a frame of comparison.
Now, we have to consider one thing though: That is, if I'm right, for both racks at the same time. Let's ignore flow resitance to the top rack being bigger, and differen spry arm designs in top and bottom. That gives us 90W per rack.
I have picked up somewhere that BSH EcoSilenceDrives in DW can deliver up to 100W during certain cycles and with certain conditions. But can't cite a source of that right ow, had to do with the claim made by Neff here in Germany that their intensive cycle runs at 3bar.
That would be more per rack as we have an alternating rack system there.
WPs 55W are less per rack, and comparable to a Miele LittleGiant drain pump. I've seen these empty 20-30l in about 30sec (these are guestimates; was a high water level in a 65l drum machine and draing to about 30sec).
That is a flow rate of 10-15gal per minute, round about.
If the recirculation pump can move that, I'm already impressed.
In the Miele Semi-Professionals I mentioned earlier, we are talking 50gal. That shoudl be on par with the Maytag; don't know if the Miele operates both arms at once when that rate was measured.
Anyway, even though all these spread out widley from incadesent lightbulb-power equivalent over handmixer on slower speeds up to tower PC in idle, all these designs have been proofen to remove even heavy soil.
Rating these in power or size at all (I mean in power/size without comparison) dosen't help anyone. It's a nice fact to know, but dosen't say anything aout cleaning abilities.
I'll just bring up this tamed down quote: It's not only about size. Sure you need a certain minimum to be abled to do anything, but that isn't all that much. It is mostly about how you move it around and how everything else plays together.
Sometimes it dosen't work, sometimes it does. There is no step-by-step guide or flow chart to determine performance for sure.
To lighten up my verry energetic comment a bit, a bit on flowcharts:
200W is about what a good powerfull PC draws in low-med use cases.
1000W is what I vacuum my carpets at.
1500W is about the max power for a standard american 120V circut.
2000W is a iron, a kettle, a EU washer, a small burner on my induction hoob.
3000W is professional small vented dryer possibly, a strong steam generator iron, a big induction cook zone.
And 5000-6000 W is higher voltage standards in both EU and US, powering industrial washers and dryer, or in the US vented electric dryers.
Given 0.24hp equals about 180W.
That is considerable for a DW. We can compare that to some other pumps (WPs smaller 50-100W recirculation motor, and drain pumps with 25-50W, depending) and see that this will move more water for sure. We can put that into a frame of comparison.
Now, we have to consider one thing though: That is, if I'm right, for both racks at the same time. Let's ignore flow resitance to the top rack being bigger, and differen spry arm designs in top and bottom. That gives us 90W per rack.
I have picked up somewhere that BSH EcoSilenceDrives in DW can deliver up to 100W during certain cycles and with certain conditions. But can't cite a source of that right ow, had to do with the claim made by Neff here in Germany that their intensive cycle runs at 3bar.
That would be more per rack as we have an alternating rack system there.
WPs 55W are less per rack, and comparable to a Miele LittleGiant drain pump. I've seen these empty 20-30l in about 30sec (these are guestimates; was a high water level in a 65l drum machine and draing to about 30sec).
That is a flow rate of 10-15gal per minute, round about.
If the recirculation pump can move that, I'm already impressed.
In the Miele Semi-Professionals I mentioned earlier, we are talking 50gal. That shoudl be on par with the Maytag; don't know if the Miele operates both arms at once when that rate was measured.
Anyway, even though all these spread out widley from incadesent lightbulb-power equivalent over handmixer on slower speeds up to tower PC in idle, all these designs have been proofen to remove even heavy soil.
Rating these in power or size at all (I mean in power/size without comparison) dosen't help anyone. It's a nice fact to know, but dosen't say anything aout cleaning abilities.
I'll just bring up this tamed down quote: It's not only about size. Sure you need a certain minimum to be abled to do anything, but that isn't all that much. It is mostly about how you move it around and how everything else plays together.
Sometimes it dosen't work, sometimes it does. There is no step-by-step guide or flow chart to determine performance for sure.
To lighten up my verry energetic comment a bit, a bit on flowcharts:
KA
It also looks like select KitchenAid machines with the variable speed pump use the same Bleckmann pump as GE currently.
90 watts.
Maytag is still more.
It also looks like select KitchenAid machines with the variable speed pump use the same Bleckmann pump as GE currently.
90 watts.
Maytag is still more.
I have to agree with Henrik
about SI units versus 19th century '14 inches to a foot, 2 pounds to a cup' silliness.
More accurately, though - the dishwasher which cleaned the absolute best of any I ever had was a tiny little counter-top dishwasher which had a motor rated at 85watts BUT used lots of water and heated it to 78C. Then splashed that 78C water around for 48 minutes after the detergent was dispensed.
It literally could 'scrub'.
Given the minuscule amounts of water in use today and the drip-a-drop action of most systems, motor size is truly irrelevant. They all need forever and a day to do what a BOL GE did better in 1990.
about SI units versus 19th century '14 inches to a foot, 2 pounds to a cup' silliness.
More accurately, though - the dishwasher which cleaned the absolute best of any I ever had was a tiny little counter-top dishwasher which had a motor rated at 85watts BUT used lots of water and heated it to 78C. Then splashed that 78C water around for 48 minutes after the detergent was dispensed.
It literally could 'scrub'.
Given the minuscule amounts of water in use today and the drip-a-drop action of most systems, motor size is truly irrelevant. They all need forever and a day to do what a BOL GE did better in 1990.
Did better
Yeah, they take verry long. However, honestly, with a DW I think that is lesser of an issue then with laundry.
I mean, you have 4-8h between meals, usually, and a lot of people start the DW overnight or qhen they leave to work. And most have quicker wash options.
Did better? Can't really see how you conclude that. We had 55W motors being put againts soils that usually never appear in normal households, and they performed stellar.
I'd say both clean the same: To satisfaction.
Yeah, the Maytag does have the biggest pump by wattage.
But, as I said: That bigger motor has to drive 2 washarms at once, thus twice the water volume. Further, it has to run the grinder, which can chew up some power as well.
So, while the "smaller" pump only has 90W, it only has to do one thing at a time.
The motor twice as big has to run 3 times the things.
Really, yeah, the Maytag has the bigger motor, but that alone means as much to cleaning capabilitys as drum volume of a dryer has to do with it's heating power.
The latter in both cases is about the same, even if you varry the first argument...
Yeah, they take verry long. However, honestly, with a DW I think that is lesser of an issue then with laundry.
I mean, you have 4-8h between meals, usually, and a lot of people start the DW overnight or qhen they leave to work. And most have quicker wash options.
Did better? Can't really see how you conclude that. We had 55W motors being put againts soils that usually never appear in normal households, and they performed stellar.
I'd say both clean the same: To satisfaction.
Yeah, the Maytag does have the biggest pump by wattage.
But, as I said: That bigger motor has to drive 2 washarms at once, thus twice the water volume. Further, it has to run the grinder, which can chew up some power as well.
So, while the "smaller" pump only has 90W, it only has to do one thing at a time.
The motor twice as big has to run 3 times the things.
Really, yeah, the Maytag has the bigger motor, but that alone means as much to cleaning capabilitys as drum volume of a dryer has to do with it's heating power.
The latter in both cases is about the same, even if you varry the first argument...
