Coulters | Harrows


Sowing disc

The sowing disc is made from highly wear-resistant Boron steel and features a diameter of 400 mm. Thanks to the robust design, the wear is reduced to a minimum. Due to the large diameter of the sowing disc, the coulter runs very smoothly resulting in an excellent placement accuracy of the coulter system.

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RoTeC pro coulter - the universally-usable single disc coulter

With the RoTeC pro single disc coulter, the Cirrus shows ist strength especially on sticky soils, no matter whether early or late in the year. Thanks to the depth guidance directly on the sowing disc, the coulter depth guidance and the reconsolidation via the harrow are completely decoupled from each other. The depth guidance disc and the depth guidance roller achieve in addition an excellent self-cleaning of the coulter. Thanks to these two benefits, a very flexible and precise application in virtually all weather conditions is possible. The slender design of concave disc, furrow former and cleaning disc ensures a good passage of harvest residues and soil even on narrow row spacings. Row spacings of 12.5 and 16.6 cm can be chosen.  

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Depth guidance

One of the unbeatable benefits of the RoTeC pro single disc coulter is the splitting of the sowing depth and the reconsolidation. In this way, when a stone is passed, the coulter is raised just once. Furthermore, the coulter and roller pressure can be adjusted independently to each other so that, under dry conditions then less coulter pressure and more roller pressure can be applied. Whereas under moist conditions, however, more coulter pressure and less roller pressure is the better solution. This very even and exactly-controlled coulter guidance of the RoTeC pro single disc coulter is ensured by the Control 10 depth guidance disc with its 10 mm contact area or the Control 25 depth guidance roller with its 25 mm contact area which are mounted directly on the coulter. The plastic discs, fixed on the coulter, keep the placement zone behind the furrow former clear from blockages and ensure an accurate seed placement. The basic adjustment of the sowing depth range is done without tools and in 4 steps directly on the coulter.

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Coulter pressure adjustment

The coulter pressure is infinitely-variable with the adjustment being carried out hydraulically from the tractor cab and this serves to maintain an easy matching of the sowing depth and allows the quick adaptation to the prevailing soil conditions. RoTeC pro coulters can be operated with a coulter pressure of up to 55 kg.  Here the coulter pressure is applied 100 % to the sowing disc though.

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Exact S following harrow in combination with RoTeC pro

The 15 mm thick Exact S following harrow is used in conjunction with the RoTeC pro coulter system. It features little wear and provides good seed coverage, even under the most arduous of operating conditions. The Exact S following harrow covers and levels the open seed furrows without blockage, even with large amounts of straw present. With its individually pivoting harrow elements, it adapts to the prevailing soil undulations and provides an even seed coverage both on fields without straw and also on areas where plenty of straw prevails. When sowing under less than the optimum conditions, e.g. on moist and heavy soils, the Exact following harrow pays off. The harrow pressure is adjusted mechanically by pretensioning the harrow springs. When equipped with the optional hydraulic harrow pressure adjustment, locating pins predetermine the minimum and maximum settings. So, the harrow pressure and the coulter pressure can be simultaneously matched to changing soils via just one tractor control valve whilst on the move.

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HD Roller harrow in combination with RoTeC pro

After the seed row has been closed by the HD Roller harrow, the soil above the seed furrow is additionally pressed resulting in optimum germination conditions. This is recommended especially for light, dry soils when sowing spring crops or rape. An undulating surface profile that reduces erosion is the result. Thanks to the hardening process of the harrow tines, these feature a particularly high longevity. The special advantage on offer is that the adjustment of the Roller harrow pressure, from nothing up to 20 kg per roller, is completely independent from the coulter pressure.

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The double discs

The sharpened, pre-tensioned discs with a 10° angle of attack ensure a good cutting performance of the coulter. The large 380 mm diameter discs ensure a smooth run. Thanks to the large coulter clearance of 190 mm and the connection to the depth guidance roller via the top-mounted coulter carrier, there remains sufficient space so that a blockagefree operation is possible.

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TwinTeC+ coulter - the high output double disc coulter

Using the high output TwinTeC+ coulter, AMAZONE equips the Cirrus with one of the most robust and most precise double disc coulter around. Thanks to its coulter pressure of up to 100 kg and its very good cutting performance, the TwinTeC+ double disc coulter also manages very well in hard and cloddy seedbed conditions. The basic body and the coulter bearing shell, made from forged steel, are equipped with sufficient reserves even under the most arduous of operating conditions. Due to the high coulter pressure of the TwinTeC+ double disc coulter, the sowing performance is very precise even under mulch sowing conditions with a very high proportion of organic matter in the seedbed. Thanks to the innovative coulter pressure adjustment via an oil circuit, the coulter pressure is maintained even in very hilly terrain so that the pre-set sowing depth is safely maintained.

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TwinTeC+ coulter pressure

The coulter pressure is set via a pressure relief valve which is integrated into the oil circuit of the hydraulic blower fan. In this way, the coulter safely maintains the pre-set pressure. This is of special benefit when sowing shallow in very hilly terrain. Hollow: When passing through a hollow, the coulters are additionally pushed against the ground. This causes an overpressure in the coulter pressure cylinder which is directly returned to the oil circuit. The coulter pressure is maintained. Hill: When passing a hilltop the coulters are lowered resulting in an underpressure in the coulter pressure cylinder which is immediately compensated with additional oil from the circuit. The coulter pressure remains constant. 

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Coulter harrow on the TwinTeC+ coulter

The optionally available coulter harrow provides additional loose soil above the furrow. This is especially helpful on heavy soils in sloping terrain to prevent capping and the formation of water run-off channels. In addition, any prevailing straw is distributed. The aggressiveness of the coulter harrow can be set in three different positions without tools. In cases where the harrow is not required, then it can be swung up into ist parking position.

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Minimum TillDisc – Water-conserving strip till

The Minimum TillDisc is particularly ideal for water-conserving and weed-reducing soil tillage. The amount of soil moved  is minimised by using the discs in strips. It only loosens and  cuts the area where the following sowing coulter runs to  prevent any renewed germination of weeds. A further application is provided by adopting the disc setup in areas with  higher resistance. This effect can also be used to create  green bridges in the crop.

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Furrow former

With the aid of the furrow former, the seed furrow is kept cleared out ensuring an optimum soil contact for the seed. Due to its flexible mounting, the furrow former rids itself of earth and trapped harvest residues. The hard metal coating of the furrow former also ensures a long service life.

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Image film AMAZONE 1883