Coulters | Harrows

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TwinTeC coulter: The high-output double disc coulter

Clean and precise seed placement: When equipped with the highly-efficient TwinTeC coulter, AMAZONE offers a precise and robust double disc coulter for this harrow-mounted seed drill. The new double disc system is in addition to the proven RoTeC pro single disc coulter. The TwinTeC coulter system ensures a clean seed placement. With a coulter pressure of up to 60 kg/coulter, the coulter travels very smoothly through the soil and precisely places the seed at the optimum depth. Proven and reliable: And thanks to the way that the coulters are mounted onto the contour-following coulter rail, central adjustment of the coulter pressure is possible. Since the sowing depth is maintained by means of the depth guidance rollers, the sowing depth of all the coulters can be adjusted centrally from 0 to 6 cm independently of the coulter pressure. From choice, a row spacing of either 12.5 cm or 15 cm is available. The TwinTeC double disc coulter is completely maintenance-free and thus fulfils highest demands.

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Scrapers

Inner scrapers are fitted to the double disc coulters to ensure the smooth coulter travel. As an option, hard-faced scrapers for very cohesive, loamy soils are available.

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Depth guidance

Behind every TwinTeC coulter, a parallel-guided depth guidance roller provides the exact depth control so that the sowing depth of every individual TwinTeC coulter is maintained. Thanks to the large coulter clearance of 195 mm and the connection to the depth guidance roller via the top guided roller carrier, sufficient space remains so that blockage-free operation is maintained. Due to the sowing discs’ low angle of attack of 10°, a superb passage of material is ensured even at high forward speeds and in copious amounts of crop residues. The optionally available scraper system for the depth guidance roller provides a reliable sowing depth – even under moist and sticky conditions.

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Exact harrow

The Exact following harrow can be operated in conjunction with both RoTeC pro coulters and with the TwinTeC coulter system. The 10 mm tines on the Exact following harrow give little wear and provide a good seed coverage. The Exact following harrow serves for both coverage of the open seed furrows and for levelling. It operates, even where there are large amounts of surface straw, blockage free. With its individually pivoting harrow elements, the Exact harrow follows the undulations of the soil perfectly, ensuring an even seed coverage on soils either with or without straw. 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 pre-tensioning 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 spool valve whilst on the move.

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Coulter harrow on the TwinTeC coulter

Each TwinTeC coulter can be equipped as an option with a directly-mounted covering harrow tine. The coulter harrow creates additional loose soil over the furrow. This is particularly of help in heavy soils or in sloping terrain where they can prevent capping as well as the formation of any drainage runs. Thanks to the sprung harrow brackets, even in undulating ground the depth guidance is carried out without problem. In addition, every harrow can be adjusted as required. To compensate for wear and tear, the harrow can be readjusted in 7 steps down to a length of 150 mm. Also the intensity of the harrow is settable via the repositioning of a pin in three steps (30°, 45° and 60°). Its profile needs less space and less weight and, due to the shorter space needed, sowing can be carried out right into field corners.

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RoTeC pro coulter: The universally-usable single disc coulter

Goes right up to the limit of practical operation and placement: The RoTeC pro single disc coulter shows its strengths, especially on cohesive 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. The benefits: • Coulter discs made from high grade Boron steel for an even more prolonged service life • Wear-resistant and self-cleaning Control 10 depth guidance discs and Control 25 depth guidance rollers for the exact adjustment of the placement depth • Decoupling coulter guidance and reconsolidation for a smoother coulter run and a universal response to the weather conditions

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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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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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TL 3001 deep loosener

The compact TL deep loosener, with its 4 tines, makes it possible to loosen the soil down to a depth of 25 cm. With this system, AMAZONE offer the option of plough-less cultivation, even where a high level of straw prevails. Plough-less cultivation in one pass prevents soil compaction in the sowing horizon. • As standard, 30 cm wing shares are used but, as an option, a wider loosening 60 cm wing share and a side plate extension are available.

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