Find Attachments for your CASE CX300D Crawler Excavators. Can't find the exact CASE CX300D Excavators you need? Post a free Want-To-Buy and get notified when it's available. With shipping, financing options available, MarketBook is your one-stop site for all of your CASE CX300D Excavators needs. Explore 1 new and used CASE CX300D Crawler Excavators with prices currently ranging from $123,106 to $517,116.