3Z series of disc ridger is suitable for ridging after the tillage in the farm field.it 3Z consists of heavy duty tubular box frame, 3 point hitch system and discts.he disc blades are made after the heat treatment in the material of 65 Mn spring steel that has better hardness. The machine is reasonablefor construction,conveniently to transport,easy to adjust, and conveniently to use and maintain.