A U.S.-based minerals company recently began using an ALLU Transformer M 3-20 material processing attachment in its Middleton, Tenn., montmorillonite clay mine. The company purchased the mine-duty M-Series screener-crusher attachment from ALLU to use with its Hitachi 650 excavator in order to crush mined clay down to 4-in-minus and simultaneously load haul trucks.
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