Seeder: used or new

Choosing a new drill is still an easier process compared to selecting used equipment. Since the new product is most likely not canned and may not even be fully assembled. Then, first of all, carefully study the technical characteristics of different models, choose the best option for your farm. And when receiving the unit it is necessary to carefully check the integrity of the packaging and the drill, as well as the presence of all specified in the specifications of components and consumables. If other aspects of working with this unit suit you, then the selection process can be considered complete.

Much more difficult is the question of the right choice in the case of a second-hand drill. And relatively simple in this case will be only to find a model that fits the technical characteristics and cost, because in the secondary market with its diversity it is not difficult to find your option. But it can be difficult to "not buy an unusable drill" or to consider hidden shortcomings.


It is necessary to begin check of a technical condition with check of own requirements and desires. That is, you need to determine what qualities of the seeder are needed for your farm and the conditions of sown areas. This is also important because it is impossible to find a drill or other unit that would meet all possible conditions and the whole set of tasks set before it. Each unit has its pros and cons.

If direct sowing technology is suitable for you, then the drill should have the function of cutting plant residues in the soil. Large and heavy (weighing 4 tons or so, with a width of 6 m) will not provide quality sowing in a layer of plant residues or on solid dry soils. If your fields have high humidity, then the planter should be ready for such land.

In other words, the dimensions of the drill must correspond to the relief conditions of the fields, their size, the power of the existing tractor and so on. Standard seed drills with a working width of 4-6 m are usually economical. An important aspect to choose is also the ease of maintenance of the drill, the convenient location of parts and components of the unit so that they are easy to obtain during repair, maintenance or replacement.

When inspecting the design of the drill, it is necessary to take into account the sufficient strength of the unit to work on uncultivated soils with more serious mechanical loads on the drill frame. Naturally, you can not miss any defects and deformations, cracking in its structural parts.

It may not be superfluous to check the year of manufacture - not on the plate with the serial number, and, if any, on the embossed inscription on the frame of the unit.

To check the serviceability of the hydraulics, you need to connect the drill to the tractor and carefully monitor its rise, the unfolding of the markers, etc. Then inspect the integrity of the cylinders, hoses and fittings.

Inspect small parts of the transmission and drive mechanism: shafts, bearings, chains and sprockets - no deformed.

In models with a pneumatic seeding system check its tightness and the absence of damage to the pneumatic lines, as well as the serviceability of the hydraulic motor, its turbine and drive belts.

Check of absence of deformations on the case of the sowing device, in its consolidators, dumpers (cutters of twins). If the sowing section uses a parallelogram instead of discs, then the integrity of the leashes and mounting brackets will save you from having to make expensive repairs or replace this unit soon. To inspect the condition of the openers you will need to disassemble 2-3 of them and make sure they are in good condition:

  • hubs,
  • axes,
  • grain pipelines.

If discs are used on the drill, then the degree of wear, the presence and size of backlash is important

  • for accurate measurement of bearing backlash it is better to reduce loading at first;
  • the backlash of the opener hub stopped - only after its cleaning from the stuck dirt.

The following is a letter of the specifications of the drills, mani of which chan help and determine your chosen model:

  1. width of capture;
  2. number of lines;
  3. distance between rows;
  4. sowing rate (seeds) in kg / ha;
  5. seeding rate (fertilizer) in kg / ha;
  6. depth of application (seeds and fertilizers) in mm;
  7. pressure under the opener;
  8. speed (working);
  9. productivity per hectare per hour;
  10. capacity of the hopper (s) for seeds and fertilizers;
  11. overall dimensions of the unit;
  12. unit weight;
  13. the required power of the tractor in hp

Regarding the last point in the above list, it should be noted that in real field conditions - far from ideal - the traction resistance of the drill will be much higher than specified in the specifications, so you will need a much more powerful tractor. And if in the instructions to the drill the power of the tractor varies within a wide range, then it is better to seek the advice of a specialist supplier, as, however, in many other matters of deciding on the suitability of this seeder used or new to your agricultural firms.

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