I feel they are the slowest when you want ot close them.  I was used to spinning them shut very fast (you have ot have smooth running doors to make that work)  For all other appilcations I really like them.  I don't use the remotes as much as I thought I would but they do come in handy.  It is nice not having the handle in the way when unloading into awing-a-way auger.  Others have asked what you do when you have to bypass the motor since other companies have a direct drive on the shaft - I have never had to convert it to manual so don't think it is an issue - for me.

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