Active hoe. With this machine we can work where normal power harrows can't. The arm can move hidraulically 40 cm further. It has 35 cm working width. It needs 50l/min hidraulic oil. It can be mounted to the front or rear of the tractor via 3 point linkage. The working effiency is 0.2-0.7 ha/h. The maximum working depth is 15 cm.