Rotoknife

A make of tractor mounted linear aerator, which can also be used for scarification purposes. The tractor power needed for this machine is a minimum of 40 hp. It has a working width of 1.8m and a working depth of 10 - 150mm. The disc spacing can vary from 50mm, 100mm or 300mm depending upon the density of disc blades used, which can be 6, 17, 18 or 35. It is manufactured by Imants.