Vacuum motors

[floor-a-matic]

<span style="font-family: verdana,geneva;">What are the differences between these motors:</span>


<span style="font-family: verdana,geneva;">Ametek Lamb #119523</span>


<span style="font-family: verdana,geneva;">Unknown motor</span>


<span style="font-family: verdana,geneva;"> </span>


<span style="font-family: verdana,geneva;">How powerful are they & which one has more suction? Is the unknown motor single fan or twin fan?</span>

 

[blackheart]

Looks like

that unknown motor is a single fan as far as i know the Newer Tristars have used two different motors the VM3 and one produced by JEI

 

[floor-a-matic]

How good are these motors? Are they servicable?