SW04
A tractor mounted 3-unit verticutter, requiring a tractor with at least 30 hp. It weighs 330 or 360kg and has a cutting width of 1.5m or 2m. The verticutting discs have eight tips, with either 29 or 39 discs/blades being 2mm in thickness and with a 52mm spacing between each disc. There are also optional blade thicknesses of 1mm and 3mm. The discs rotate in reverse (contra-rotating) direction. It is manufactured by Graden.