More About the Shaft Screener MB-HDS320 and the RQ20 Medium Sifting Kit:
The second-largest of the four padding buckets is the MB-HDS320 and weighs 4,629 pounds, making it compact and easy to transport. Installing the unit on an excavator or backhoe or loader depends on the operating weight; for excavators, it ranges from 35,300 pounds to 53,000 pounds, and 19,800 to 26,500 pounds for backhoes and loaders.
Each star screener can use the six interchangeable shaft kits, making them capable of processing different types of material ranging from composting, wet and dry soil, asphalt, and can even crush drywall or foliage. One of the shaft kits available for the MB-HDS line is the RQ20 medium sifting kit and can process the following material: