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Dewulf’s 4-row Kwatro harvester finds extremely good flow

Since 2016, the current generation of Dewulf’s 4-row Kwatro Xtreme harvester has been known for, among other things, its constriction-free sieving path and having the largest bunker in its market segment. The harvester, available for growers who plant in 4 x 90 cm, 4 x 34 inch, 4 x 36 inch rows or 180 cm beds, has, until now, been produced with a straight hedgehog unit, immediately followed by a single Flexyclean cleaning unit. This is changing today, as market demand for alternative cleaning options has proved to be high.

Extra modules

To meet market demand for an extremely potato-friendly machine, Dewulf decided to add an extra dimension to the Kwatro Xtreme. More specifically, the focus of this development was the product flow inside the machine, which no longer has a hedgehog unit yet still offers sufficient cleaning options.
As indicated, product friendliness is at the core of this development, as the two sieving conveyors and a third, short sieving conveyor are immediately followed by the cleaning module. Because there is no integrated hedgehog unit, there is no change in direction of the potato flow.

Thus, Dewulf designed two additional variants under the name Kwatro Xtreme Flow, in which the straight hedgehog unit has been replaced with a new module.

  • New, longer Easyclean module
    The redesigned, double Easyclean module consists of 7 (4+3) active smooth cleaning rollers alternated with 9 Easyclean rollers. To perform its work as precisely and delicately as possible, the Easyclean module is divided into two groups of linked, active smooth cleaning rollers, the first having four and the second three. This brand-new, mechanical regulation system allows users to control the speed, height, opening and direction of rotation of both groups of drive rollers separately. Moreover, the speed of the Easyclean rollers can also be easily controlled from the cabin. In addition, the degree of cleaning can be set extremely precisely by adjusting the inclination of the module between 0 and 12 degrees. This solution is tailor-made for dry conditions with clods, for example.
  • Combination of axial and Easyclean modules
    The second variant Dewulf offers, consists of a combination of 36 axial rollers and an Easyclean unit. The speed of the axial rollers is adjustable and, together with the inclination of the Easyclean unit, adjustable between 0 and 12 degrees. In turn, the Easyclean module is fitted with 2 active smooth cleaning rollers alternated with 3 Easyclean rollers. Analogous to the first innovative module, here too the speed, height, opening and direction of rotation of the drive rollers, as well as the speed of the Easyclean rollers, can be adjusted from the cabin to accommodate the conditions. This solution is suitable for customers who harvest in relatively wet conditions.

The best of the Kwatro Xtreme remains

The celebrated aspects of the Kwatro and Kwatro Xtreme have certainly not been changed. The familiar, proven concept of front harvesting ensures that potato ridges remain undamaged. This stable master of the field also harvests at 4 x 90 cm with no constrictions in the sieving path, a unique feature in its market segment. The excellent sieving capacity is also paired with an unmatched 11-tonne bunker capacity.

To perform well in wet conditions, Dewulf relies on the Claas 900 mm wide crawler track system combined with a single rear wheel. This steered wheel also provides unprecedented manoeuvrability and low maximum ground pressure of 1.4 kg/cm². As the traction can be adjusted per track/wheel, it is almost always possible to harvest, even in the worst conditions and types of weather. This makes the Kwatro Xtreme an extremely reliable machine.

Summary:

Who?
Solution for professional potato growers who produce consumer and industrial potatoes. For direct processing into crisps, chips etc., potato quality is subject to stringent requirements. Bruising, black spot and skin damage are absolutely unacceptable in potatoes intended for these purposes.

Kwatro Xtreme is explicitly suited for customers who plant in…

  • 4 x 90 cm, 4 x 34 inch, 4 x 36 inch rows
  • 180 cm, 70 inch or 72 inch beds (2 or 3 rows per bed)

What?
Two new solutions

  • Updated, double Easyclean module
  • Combination of axial module and Easyclean unit

    Why?
    As first solution provider, Dewulf wants to help customers who place high demands on the quality of their harvested product.

    Source: Dewulf Group

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