There are a couple different kinds of bottom unloaders, one is the Harverstore, (well they have a few more). The Harverstore unloaders are like a big chainsaw blade going around inside, then there is the Laidig in the stave silos and some poured concrete silos, they use an auger with several teeth on them, there is a track bolted to the floor on the edge of the silo for the unloader to run on. In the hopper on the Laidig is several gearboxes some drive the sweep arm and some run the auger. When filling the silo you need to run it some so it does not settle down to tight on it or it is hard on it to get it going. Here is a pic of the track, I had to put a new shoe on the end of the sweep arm along with a new drive sprocket, it drives on the track to push the arm forward, at a pace of a foot in 10 minutes or so.
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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