Used Crawler Loaders For Sale. Construction Equipment Guide has been connecting buyers and sellers of Crawler Loaders for over 50 years. We list loaders from manufacturers like Allis Chalmers, Cat, Case, Dresser, Deere Liebherr and more. We list hundreds of loaders, updating our list daily to keep it fresh and current. Select a manufacturer to see the list of new and used loaders we have for sale on our site.