Sigma HWS is the pneumatic planter suitable for no-till planting in presence of high presence of residues and for minimum tillage. Its strength and its construction quality, its simplicity and wide use permit a very high planting reliability up to working speed of 10-12 km/h. The double discs system  on gauge wheels ensures a constant working depth even in extremely difficult conditions. The planting unit consists of: front double toothed discs that clean the planting bed; 
- “Turbo” opener disc, whose name comes from the particular and special angles of the waves, which permits soil penetration in any condition; - 02 “V”-shaped opener  discs with central shoe of strong material and side gauge wheels, forming the seeds bed; - small seeds pressing wheels; double small steel discs, for cutting the soil surface and bringing soil to the back compression wheels and covering the wheels; - then back compression wheels “V”-shaped of rubber or of steel. Sigma HWS applications: corn, soya-bean, sunflower, sorghum and many other  different seeds.
Website: www.sfoggia.com
Title    
Number of rows 4 6
Rows width (cm) 50-75 50-75
Recommended speed (km/h) 6-10  
Tractor power (hp) 90-100 110-130
Seed hopper capacity (kg) 120-200 180-300
Fertilizer hopper capacity (kg) 440 440
Weight (kg) 1970 2600