GreyStone's Automated Log Washer increases efficiency and lowers labor costs for aggregate producers. It removes tough plastic clays from coarse aggregate by scrubbing the material with paddles, causing an abrading action. Hydraulic support system tied to a PLC sensor detects the tonnage going through the unit. When the tonnage decreases, the system increases the angle of inclination - also increasing the material retention time in the unit - until the sensor detects the proper tonnage. If tonnage increases, the system decreases the angle of inclination, which decreases material retention, until the proper tonnage is detected. Upper and lower limit switches prevent excess inclination or damage to the unit.