Chigayo Hammer Mill – Gravity Type Diesel Engine - ZamFindSaro Hammer mills operate on the principle that most materials will grind or crush upon impact with the hammers or blades. The material is feed into a hammer mill from the top and gravity falls into the grinding chamber. The grinding chamber of hammer mill is lined with serrated wear plates, which protects the body from.drotsky harmmer mill diesel engene,HAMMERMILL COMPLETE DROTSKY M16A 22KW WITHOUT .HAMMERMILL COMPLETE DROTSKY M16A 22KW WITHOUT STARTER. HAMMERMILLS & POST HARVEST MACHINES. SKU: QO-100702000430 Category: HAMMERMILLS Tag: PSHDHM. Product Description.