The OPTIMER L 9000 and 12000 independent disc cultivators with 510 mm diameter discs enable shallow stubble cultivation and seedbed preparation for crop establishment. With working widths of 9 and 12 metres, they offer unbeatable work outputs of up to 20 ha/hour. KUHN’s exclusive Steady Control ensures excellent working depth regularity thanks to constant pressure on the extension cylinders. With this range of large-width stubble cultivators, you reap all the benefit of KUHN’s expertise in soil tillage designed to increase profit margins on your crops. The OPTIMER L 9000 and 12000 have 3 key strengths: constant ground following, large under beam clearance for working in the presence of residues and easy adjustments. The OPTIMER L 9000 and 12000 require a traction power of 270 to 480 hp. The working speed of 18 kph combined with excellent stubble ploughing quality will appeal to the most demanding users.