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Being new to rock tumbling, I learned that it is a time-consuming process. This tumbler runs smoothly day after day and seems well made, so I expect it to last a long time. It is also relatively quiet. I like the double barrel capacity because it lets my two granddaughters tumble their own sets of rocks without mixing them.
Verified purchase: Yes | Condition: New
Had a unit from Harbor Freight and when the motor burnt up, decided to go with something else. The new A-R2 seems to be working well after two weeks of continuous running. Still on the same belt that came with the unit, whereas, had to replace numerous belts on the Harbor Freight unit and finally upgraded to O-ring type belts. Fortunately these same belts fit the A-R2 unit. I can use the old drums off of the Harbor Freight unit on the A-R2 unit as well, but have to adjust the clips on the rear drum shaft. You have to be careful not to scar up the shaft if you do that. I like the heavy duty motor and quiet operation. Had to adjust the belt alignment, but that was no problem and easy to do. I would recommend this product.
Verified purchase: Yes | Condition: New
Purchased the Thumlers Tumbler after a different tumbler failed, twice! It has been operating continuously for three weeks now, with no broken belts, no burnt out motors, and the rocks appear to polish up better.
Verified purchase: Yes | Condition: New
I've been using this for 3 months, almost non-stop. It just keeps going. Proper lubrication is all that's required. It's the little engine that could. I add a couple drops of oil each week, when changing out the barrels. Motor does not get hot either. When it does squeak, the bars then require a little lube. I ran it 2 months straight without a problem. It's currently turning.
Verified purchase: Yes | Condition: New
The belt alignment could be somewhat better but it runs nice and quiet. I use it to polish both stones and silver so the dual barrel is great.
Verified purchase: Yes | Condition: New
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