12 Sep 2023

New AMAZONE Precea-TCC trailed precision air seeder

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The new Precea-TCC trailed precision air seeder sets the standards in precision, output and intuitive operation.

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AMAZONE is expanding its range of precision seeders with the new trailed Precea 9000-TCC and 12000-TCC models, in working widths of 9 and 12 m respectively. This variant, which has been developed specially for large-scale farms and contractors, stands out with its high-performance overpressure singling, large tank capacities and innovative Central Seed Supply seed delivery system. The high-precision seed placement ensures optimum field emergence, even at increased forward speeds of up to 15 km/h. 

The feeding of the individual rows from the central hopper is controlled by the Central Seed Supply system

Precea-TCC – high work rates with maximum precision

Central hopper concept – row-by-row singling

For exceptionally high work rates and reduced fill times, the new Precea-TCC features a central seed hopper with a capacity of 2,000 l for up to two big bags. The new Central Seed Supply seed delivery system carries the seed from the central hopper to the singling units via an air stream. There, the seed for each row is temporarily stored in a small reception unit. Once this reception unit reaches the maximum fill level, the air stream is automatically cut off, thereby shutting off any further seed supply. When the fill level decreases, the air stream restarts automatically and conveys seed again from the main hopper to the individual rows. Thanks to the intelligent air stream system of the Central Seed Supply, every singling unit is independently supplied with seed, without the need for complex sensor systems or electronic controls. 

Precea-TCC trailed precision air seeder – sets new standards in precision and output
Precea-TCC trailed precision air seeder – sets new standards in precision and output

Precise singling across all rows

For seed singling, AMAZONE uses its precision PreTeC singling units, whose functionality is based on the overpressure principle. This means the seed is pressed against the singling disc by air pressure. The seal rotates along with the singling disc, which considerably reduces the power consumption of the electric drives across the individual rows. The remotely controlled, automatic SmartControl stripper finger adjustment is coupled with the optical sensors and effectively prevents any misses or doubles. Meanwhile, the electrically-driven singling disc turns in relation to the forward speed and desired seed rate; conveying the seed towards the propulsion channel. At this point, the contact pressure is broken, the seed is shot precisely into the seed furrow, caught by the catcher roller and then securely embedded in the furrow bottom. 

The SmartControl automatic stripper adjustment takes over the setting of the stripper fingers and removes a considerable burden from the driver

AMAZONE ISOBUS control of the Precea models. All the important parameters at a glance!

The furrow formers ensure the precise seed placement. Two carrying rollers and the high-down force, hydraulically adjustable coulter pressure ensure uniform depth control. For even greater convenience, AMAZONE offers the SmartForce automatic coulter pressure regulation. This ensures that the set contact force remains constant for a consistently uniform seed placement, especially in variable soil conditions. 

The ElectricDrive electric metering drive allows the desired seed rate to be conveniently set via the ISOBUS terminal and serves as the basis for precise, part-area, site-specific rate control using GPS and field zone maps. In addition to this, Section Control actively saves seed row-by-row in wedge-shaped fields and on headlands, particularly useful at these large working widths. Ideal conditions are also provided for mechanical weed control with a hoe.

Even field emergence as a result of the telescopic axle where the tyres run between the seed rows
Even field emergence as a result of the telescopic axle where the tyres run between the seed rows

CurveControl – Optimised seed placement when driving round bends 

The electric metering drive to the individual rows makes it also possible to maintain an evenly-spaced placement across the entire working width, even when driving round bends. A yaw sensor is used to calculate the difference between the forward speed on the inside and outside of the bend. The innovative CurveControl then adjusts the speed of the each singling disc accordingly, ensuring that the seed spacing remains uniform, even when seeding around bends. The even spacing allows the plants to be adequately supplied with nutrients. This results in uniform crops and ensures even ripening.

Twin-chamber hopper for fertiliser

The easy access to the hoppers provides quick and easy filling

For the simultaneous application of fertiliser, the Precea-TCC is equipped with an easily-accessible, twin-chamber hopper with a total filling volume of 6,000 l. Each hopper chamber has its own electric metering unit that is connected to a distributor head, meaning that half-side shut-off is available as standard. Fertiliser is placed via the FerTeC twin HD fertiliser coulter. The relationship between the placement depth of the fertiliser and the seed sowing depth is set only once. If the sowing depth is subsequently changed, the fertiliser placement depth is automatically adjusted in relation to the seeding depth.

Telescopic running gear 

The Precea-TCC is offered with 12 or 16 rows for row widths of 70, 75 and 80 cm. A telescopic axle is available for the running gear of the Precea. During field operation, this allows the position of over-sized tyres to be adjusted so that the wheels run between the seed rows, preventing compaction directly beneath the seed rows. With the wheels fully retracted, the Precea-TCC can be conveniently transported by road with an overall width of 3 m. 

As of autumn 2023, the programme will be rounded off with new models for those closer spaced row crops, such as beet, rape or soya beans, with row widths of 45 and 50 cm in 18 or 24 rows.

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  • Accurate seed placement due to precise pressurised singling with short propulsion channel
  • Simple and self-explanatory operation with the AMAZONE AmaTron 4 ISOBUS terminal
  • Extremely easy adjustment on the PreTeC mulch sowing coulter, with all the required settings made without using tools
  • High acreage output thanks to the large hopper capacity and the Central Seed Supply seed delivery system
  • CurveControl for even plant distribution, even when driving round bends, resulting in uniform ripening of the crops