Reply by Sarit

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Posted on Anyone try upgrading their HF DC impeller?

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549 posts in 3140 days

#1 posted 04-10-2013 05:36 AM

Hi Shawn, crank49

“on a well designed DC” you are right. The problem is the HF DC is by many accounts not well designed. They are usually cheap ripoff of other DC designs. The impeller is way undersized for a 2HP motor. But being cheap also, makes them an attractive option for tinkering with. The going price for replacement impellers from grizzly and delta that I think might work are [$110-$136] and $82 respectively.
If you look at sites like, you’ll see that the same impeller is often sold as a replacement for several DC models despite having different HP motors. Also most induction motors within the same HP range tend to have the same shaft diameter to fit within a NEMA standard.

I actually have another 2hp 240V motor that I got off of craigslist in case this one blows.

Update: I found this while I was writing this post:

…As Alan stated the impeller is smaller than most, measuring 9.75”, but the 12” impeller from a Rikon 60-200 DC is a perfect and easy direct fit replacement. It was $60 + shipping when I got mine.

I got this from comment #13

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