The star tiller was developed in the 1990s by the Rau company in Weilheim (Teck) in southern Germany, to further reduce costs when sowing by plough. Two ground-driven star rollers with a tangential penetration angle of the tines ensure a breaking instead of cutting effect in the soil.
The Sterntiller was mostly driven as the STF 301 in front attachment. In this type, the rollers are oscillating and a height-adjustable leveling bar was available to level the area.
The Sterntiller is mainly used on heavy soils, as the rollers offer reliable self-cleaning and even hard clods are broken up reliably. It does good preparatory work for the rotary harrow or the tine rotor.
Working withd: 3 Meter
Required power: 45HP
Max. working speed: 12 kph
Price: 6700$
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