Cumin (Cuminum Cyminum) is a one year plant and suitable for dry and semi-dry land of Iran.Farmers attend to planting of cumin in recent because of less requirement of cumin in water and growth time.This crop is harvested in traditional way,utilizing labor for picking of plant and animal or small tractor for threshing further that its drying.Mechanization of different stages of harvesting,is based on the require information of physical and mechanical properties.