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2023 HORSCH Maestro DV RollFlex seed bar

The AirVac metering device can be used universally for an exact grain singulation. Due to different metering discs, maize, sunflowers, sugarbeet, soybeans and rape can be singulated reliably.

The AirVac system is based on the principle of vacuum singulation where the seed is sucked to a perforated disc. During the metering process the accepted grains pass through a scraper that sees to it that duplicates are removed. The special feature of the AirVac scraper is that the user does not have to carry out any adjustment works. The contour of the scraper has been optimised in such a way that a reliable singulation for all crops is guaranteed.

Via a fall tube the AirVac metering device leads the seed to the bottom of the furrow. A grain sensor is integrated into the fall tube to guarantee an optimum monitoring of the seeding success. The measuring technology of the sensor is able to count the grains, to determine the spacings between the grains and thus also to transmit an information to the driver with regard to double spots or gaps.

The transmitted values of the singulation accuracy are displayed clearly at the terminal of the machine and additionally increase safety while sowing.

The AirVac singulator is driven electrically as a standard and each row can be controlled individually. This technology cooperates with the well-proven functions single row switch-off, SectionControl, VariableRate and tramline control.

For VariableRate the AirVac system is designed in such a way that the seed rate can be modified for every single row. With the tramline control it is possible to individually adapt the seed rate in the row at the left and the right side of the tramline. With these advanced functions all measures to increase precising while sowing can be used to full capacity.

• Can be used universally for different crops

• High precision for sowing speed up to 12 km/h

• Simple handling: no adjustment of the scraper required

• Electric drive as a basis for:

• SectionControl

• VariableRate

• Tramline control

• Different metering discs depending on the type of crop

• The universal singulator does not have to be adjusted.

• Star-shaped cleaning wheel

• SectionControl allows for switching the row off and on automatically via GPS position signal.

• Versatile single grain technology for: maize, sunflowers, soybeans, rape

• Simple handling of the metering device – no adjustment of the scraper required

• Solid and reliable technology – heavy parallelogram and row unit for highest strain

• Coulter pressures up to 260 kg for safe sowing even in difficult conditions

• Automatic, soil-dependent coulter pressure adjustment AutoForce with coulter pressures up to 350 kg per row

• High hectare output due to long range for fertiliser and seed

• Compact unit with low demands on the tractor

The very compact unit of the Maestro DV consisting of a large seed wagon, a seed bar with a working width of up to 6 m and a single grain seed bar with 6 or 8 rows guarantees high efficiency with comparably low requirements on the tractor. As the seed bar is attached via a 4-point linkage, it is possible to mount a Pronto NT or Pronto TD CoulterBar with a working width of 4, 5 or 6 m for broadcast sowing systems. Thus, the Maestro DV can be used even more universally and becomes an all-rounder among the seed drills.