DEWULF KWATRO
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DEWULF KWATRO 4-ROW SELF-PROPELLED SIEVING HARVESTER dewulfn enjoy growing

EXPERIENCE THE CAPACITY OF A REAL 4-ROW HARVESTER The Dewulf owner is progressive and tenacious. Reliable in everything he does. A hard worker who is, above all, proud of his profession. Upscaling in agriculture motivates him to place greater focus on more efficient production methods and do so in the most economical way possible. There is no place for compromise. PURE CRAFTSMANSHIP Since its launch in 2010, Dewulf was the first manufacturer to combine frontal harvesting with a traditional sieving path, hedgehog unit and cleaning modules, and all with the largest bunker on the market....

POTATO-FRIENDLY, FRONTAL HARVESTING Thanks to the frontal harvesting concept, the potato baulks remain intact and you are assured of a quality product. The harvester has excellent stability thanks to the tracks and wide rear wheel. Due to this construction, it is possible to keep harvesting for longer in wet conditions. Beyond that, this concept makes it extremely easy to switch between various harvesting kits (for different vegetable crops). The harvesting unit is equipped with automatic depth control (ADC) based on two skids, separate harvesting shares and large, hydraulically driven...

The haulm chopper features excellent flail distribution (1). The masterful design of the rotor hood guarantees high suction force. The rotor hood is largely made of wear-resistant synthetic material, which prevents the clumping of soil. The automatic depth control with two skids (2) flawlessly follows the baulks, ensuring perfect pulverization. A haulm chopper with side discharge is available as an option. With a two-piece sieving path (3), consisting of a digger web and two sieving webs, without narrowing, the Kwatro provides unrivalled sieving capacity. An optional rotary agitator in the...

The Kwatro is standard equipped with a sieving module. If more intensive cleaning is desired, this can be expanded with an axial (30 rollers) or Flexyclean® module (6). The Flexyclean® is a patented bypass system in combination with axial rollers, which allows you to perfectly accommodate all conditions. The extent to which the potatoes are cleaned is infinitely adjustable via the Flexyclean®. The axial rollers can be tilted down with the aid of a hydraulic cylinder for easy replacement of the rollers and to perform daily maintenance. The potatoes are distributed across the entire width of...

A WORK ENVIRONMENT IN WHICH YOU FEEL AT HOME With the roomy new Claas cab, Dewulf has created an enjoyable working environment focused on the driver. Comfort and ergonomics have been given new meaning. Thanks to an excellent view on the harvesting unit, the harvesting experience with the Kwatro is sublime. The harvester can be operated easily by means of a joystick, control unit for the harvesting section and control unit for the driving section. All the controls are close together, thus ensuring convenient operation. Pedals are provided for steering the tracks and controlling the machine...

CAMERA POSITIONS Standard Optional The entire product flow can be monitored in the cab using the eight cameras and pair of 10” colour monitors (12 cameras and three monitors available as option). Quad-view even allows images from four cameras to be displayed on one monitor. For extra comfort, Dewulf has included a mounting bar with control buttons, which allows you to switch between the various camera feeds. This also provides a place to attach various peripheral devices.

MASTER OF THE FIELD, ANYTIME, ANYWHERE The perfected weight distribution, the 900 mm wide tracks and the super-wide rear wheel (Mitas 1250/50 R32) ensure perfectly flat ground after harvesting, with minimal compacting. The Kwatro has the lowest ground pressure per cm² in the market without overloaded rear wheels or narrow wheels at the front that dig in deeply between the baulks. Optionally, it is possible to have an extra wheel axle between the tracks which perceptibly reduces the load on the tracks. Thanks to a maximum rear wheel steering deflection of 60°, the harvester is surprisingly...

POWERFUL ENGINE, LOW FUEL CONSUMPTION The Kwatro is equipped with a 500 hp Scania DC13 Stage IV engine. The cooling works independently from the engine and as a result offers more freedom in regard to the engine speed. All cooling circuits are connected to one radiator (H2O, intercooler, oil and air conditioning) with proportional control of the reversible fan. The engine complies with the most stringent requirements in regard to emission standards. On the road the engine speed is limited to 1550 rpm, and the normal operating range lies between 1250 rpm and 1750 rpm (depending on the...

EXTRA WHEEL AXLE HAULM TOPPER WITH SIDE DISCHARGE An additional wheel axle reduces the load on the tracks by +/-5000 kg in road mode. In field mode the axle lifts and lowers automatically to reduce the pressure on the ground and prevent haulm accumulation. If you want to remove the haulm from the product flow right at the start, a haulm topper with side discharge is available. This is standard equipped with haulm spreader to make the soil cultivation easier thereafter. When you are faced with dry conditions with lots of clods, the diabolo kit offers the perfect solution. Thanks to APC...

KWATRO XTREME For growers who plant in 4 x 90 cm or grow in beds of 1800 mm Dewulf has developed the Kwatro Xtreme. This harvester also has a sieving path comprised of a short digger web followed by two sieving belts without narrowing. The digger web consists of two sieving chains, each 1760 mm wide. This width is maintained over the full sieving path, which makes this machine unique in the segment of the 4-row, 90 cm, self-propelled harvesters with frontal harvesting unit. After sieving, the product flow reaches the hedgehog unit for an initial, intensive cleaning to guarantee the best...

HARVESTING UNIT Kwatro Xtreme RING ELEVATOR Kwatro Xtreme Width of digger web [mm] Hydraulically driven cutting discs Haulm intake rollers Diabolo kit Spray track detection Truck spot APC (Automatic Pressure Control) DSC (Dewulf Synchronisation Control) ADC (Automatic Depth Control) DAS (Dewulf Automatic Steering) Distribution before the ring elevator Width ring elevator [mm] Ejection roller Unloading height min/max [mm] 1-part bunker 2-part bunker Automatic filling Automatic oil lubrication system Capacity SIEVING CHAINS Length sieving conveyor 2 [mm] 3250 3250 Length sieving conveyor 3...