... speed of the knife frame(r/min)650650Number of knives(p)3/4Triangle beltsB2150B14002.Performance indexItemsDataProcessing rate( the length of processed ... of processed hayNumber of knives 2(p)18,27,38,53(mm)Number of knives 3(p)12,18,25,35(mm)Number ... of knives 4(p)9,14,19,27 (mm)Distance ...