Browse and search our easy-to-use site for a wide range of Crawler Excavators and more from listing members like RLM HEAVY DUTY PARTS LTD and others. With shipping, financing, advertising options available, TractorHouse is your one-stop site for all of your CATERPILLAR E300B Crawler Excavators needs. Explore new and used CATERPILLAR E300B for sale near you on TractorHouse! Can't find the exact CATERPILLAR E300B Crawler Excavators you need? Post a free Want-To-Buy and get notified when it's available.