Aitchison 4000 Series Seedmatic Disc Models

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Choose between seed only or seed and fertiliser models.

Model: ASM-4020D(T), ASM-4024D(T), ASM-4028D(T)

The Aitchison Seedmatic 4000 ‘D’ Drill has been developed further to incorporate a heavier Dragarm.

4000 Series Seed Only Disc Models Details

4000 Series Seedmatic disc drill is fitted with a large 406mm (16″) concave disc opener & heavy dragarm which are good for extreme stone or rocky situations, or difficult matting type swards such as Kikuyu and high crop residue situations like maize stubble.

The larger rolling circumference gives better cutting and penetration when the going gets tough.
A spring loaded vertical travel of 150mm allows the disc to follow the contour of the soil surface with a more even seed depth placement designed to deliver uniform plant emergence with optimum yields at lower costs.

The Seedmatic drills have a narrow 125mm or 5inch row spacing, giving the seed the ultimate secure opportunity to establish a great pasture or crop. The unique seeding system is extremely accurate, and the infinitely variable gearbox handles most seed volumes and sizes effortlessly.
Included are the Aitchison Electronic area meter for metric or imperial measurements of work done, and the Treadboard & safety rail for loading the Drill with seed or fertiliser.

ASM-4120D    Seedmatic 4000 series seed & fertiliser 20 row concave disc drill
ASM-4120DT Seedmatic 4000 series seed & fertiliser 20 row concave disc drill plus trailer kit
ASM-4124D    Seedmatic 4000 series seed & fertiliser 24 row concave disc drill
ASM-4124DT Seedmatic 4000 series seed & fertiliser 24 row concave disc drill plus trailer kit
ASM-4128DT Seedmatic 4000 series seed & fertiliser 28 row concave disc drill plus trailer kit

4000 Series Seed Only Disc Models (sub-group spec sheet)

Specifications4020D(DT)4024D(DT)4028DT
Overall width3.2 m / 10 ft 5 in3.7m / 12 ft 1 in4.2m / 12 ft 10 in
Sowing width2.5 m / 8 ft 2 in3.0m / 9 ft 10 in3.5m / 11 ft 6 in
Overall height1.86 m / 6 ft 1 in1.86 m / 6 ft 1 in1.86 m / 6 ft 1 in
Weight empty non-trailed1250 kg / 2756 lb1410 kg / 3109 lb
Weight empty trailed1540 kg / 3396 lb1700 kg / 3748 lb1820 kg / 4013 lb
Seed box capacity700 ltr / 19.8 bu850 ltr / 24.1bu1000 ltr / 28.3 bu
Fertiliser box capacity
Number of rows20 rows24 rows28 rows
Row spacings125mm / 5”125mm / 5”125mm / 5”
Transport kit (T)OptionalOptional
Light kit
Hectare metre
Safety rail
Rodent stop
Tow hitch(Standard with Transport Kit only)

4000 Series Seed & Fertiliser Disc Models Details

4000 Series Seedmatic disc drill is fitted with a large 406mm (16″) concave disc opener & heavy dragarm which are good for extreme stone or rocky situations, or difficult matting type swards such as Kikuyu and high crop residue situations like maize stubble.

The larger rolling circumference gives better cutting and penetration when the going gets tough.
A spring loaded vertical travel of 150mm allows the disc to follow the contour of the soil surface with a more even seed depth placement designed to deliver uniform plant emergence with optimum yields at lower costs.

The Seedmatic drills have a narrow 125mm or 5inch row spacing, giving the seed the ultimate secure opportunity to establish a great pasture or crop. The unique seeding system is extremely accurate, and the infinitely variable gearbox handles most seed volumes and sizes effortlessly.
Included are the Aitchison Electronic area meter for metric or imperial measurements of work done, and the Treadboard & safety rail for loading the Drill with seed or fertiliser.

  • ASM-4120D    Seedmatic 4000 series seed & fertiliser 20 row concave disc drill
  • ASM-4120DT Seedmatic 4000 series seed & fertiliser 20 row concave disc drill plus trailer kit
  • ASM-4124D    Seedmatic 4000 series seed & fertiliser 24 row concave disc drill
  • ASM-4124DT Seedmatic 4000 series seed & fertiliser 24 row concave disc drill plus trailer kit
  • ASM-4128DT Seedmatic 4000 series seed & fertiliser 28 row concave disc drill plus trailer kit

4000 Series Seed & Fertiliser Disc Models (spec sheet)

Specifications4120D(DT)4124D(DT)4128DT
Overall width3.2 m / 10 ft 5 in3.7m / 12 ft 1 in4.2m / 12 ft 10 in
Sowing width2.5 m / 8 ft 2 in3.0m / 9 ft 10 in3.5m / 11 ft 6 in
Overall height1.86 m / 6 ft 1 in1.86 m / 6 ft 1 in1.86 m / 6 ft 1 in
Weight empty non-trailed1360 kg / 2999 lb1540 kg / 3396 lb
Weight empty trailed1650 kg / 3638 lb1830 kg / 4035 lb2000 kg / 4410 lb
Seed box capacity475 ltr / 13.5 bu570 ltr / 16.1 bu665 ltr / 18.8 bu
Fertiliser box capacity490 ltr / 13.9 bu590 ltr / 16.7 bu690 ltr / 19.5 bu
Number of rows20 rows24 rows28 rows
Row spacings125mm / 5”125mm / 5”125mm / 5”
Transport kit (T)OptionalOptional
Light kit
Hectare metre
Safety rail
Rodent stop
Tow hitch(Standard with Transport Kit only)

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