CLUTCHES COMPONENTS Compatible spare parts FERRARI Tractors 74- 75 1 series - motor cultivators 74 1. Clutch single diaphragm spring plate diameter 180 mm diaphragm bore diameter 30 mm Code (ERC.): 15012 2. Clutch plate rigid 180 x 127 x 3,8 23 x 20EV 20 hollow Code (ERC.): 15031 FERRARI