I've had one about a year now. Works fine, although I only use it occasionally (I tend to reload in batches).
If you have trouble, I would try calling Frankford Arsenal direct (Google Battenfeld Technology for their contact info).
I bought one of their tumblers used on eBay, and when the motor burned out a year later, I called them and asked if they'd sell me a motor. They offered to replace the tumbler under warranty. I said no, you don't understand, I bought it used. They said, let us replace it. I said, okay...
Now that's Customer Service.
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