Hammer Mill Ads | Gumtree Classifieds South AfricaResults 1 - 20 of 62 . Search Gumtree Free Classified Ads for the latest hammer mill listings and more. . Brand new 4hp and 6hp diesel hammer Mills for sale.drotsky hammer mill for sale,Hammer mill for sale, farm vehicles & equipment - Ananzi.zaHammer mill for sale from R123. We now have 221 ads under farm vehicles & equipment for Hammer mill for sale, from Gumtree.za, Olx.za and 29 other.