Clutches and their components Compatible spare parts BCS - MOTORCULTIVATORS/MOTORCULTIVATORS: 720 (for self-ventilating replacement) 1. Multi-plate clutch with 4 discs diam. 103 x 113,5 mm 12 x 15 EV 8 hollow Shaft diam. 23 Code (ERC.): 15825 1. Sintered clutch disc diam. 93 mm Code (ERC.): 15630 BCS