H77058 Lower Clean Grain Auger Cover Fits John Deere 6600 7700 7720 8820 CombineOne New Aftermarket Replacement Lower Clean Grain Auger Cover Fits John Deere Combines This solid lower clean grain auger cover is located at the lower boot of the clean grain elevator, between the side of the combine and the elevator boot. It protects the lower clean grain auger assembly from debris and wear during harvesting operations. Two covers are typically used per machine. Compatible Models Fits John Deere Combines: 6600, 6601, 6620, 6622,