THE UPPER SPROCKET WHEEL OF THE AUGER DRIVE IN THE EAR CHUTTER FITS A CLAAS COMBINE. DIMENSIONS: NUMBER OF TEETH: 20 SHAFT DIAMETER: 20 mm APPLICATION: CORSAR MATADOR MATADOR GIGANT MERCATOR MERCATOR 60 MERCATOR 75 MERCATOR 70 SENATOR SENATOR (FORD) 640).NO. CORNER. 619271.