英国库伯父子公司的新系列元盘耙已使用公制,不仅元盘耙尺寸用米和毫米表示,而且还命名为“多公顷”号,以使公制元盘耙为更多人所接受。新元盘耙系列有40个机型,元盘间距分228毫米和152毫米两种。宽间距的元盘直经有560毫米和610毫米两种,悬挂式的有11个机型,牵引式的有10个机型,幅宽2.4～7.5米。窄间距的元盘直径为510毫米,悬挂式的有11个机型,牵引式的有8个机型,幅宽2～7.5米。 The new series of disc harrows from Cooper, England, have used metric systems, not only for metric and rake sizes, but also for “multi-hectare” so that metric harrows are more acceptable. Singapore dollar disk rake series has 40 models, Yuan disk spacing of 228 mm and 152 mm two. Widely spaced disk directly through the 560 mm and 610 mm two, there are 11 models hanging, traction 10 models, width 2.4 to 7.5 meters. Narrow pitch of the disk diameter of 510 mm, hanging 11 models, traction 8 models, width 2 to 7.5 meters.