Base machine | Frame | Disc options

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Certos-2TX

  • Certos 4001-2TX 4.0 m working width
  • Certos 5001-2TX 5.0 m working width
  • Certos 6001-2TX 6.0 m working width
  • Certos 7001-2TX 7.0 m working width
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Certos discs – for medium-deep soil tillage

The 660 mm diameter Certos discs are especially well suited for medium-deep and intensive soil tillage down to 20 cm. Due to the large diameter discs, the incorporation of copious amounts of maize stubble, sunflower residues, catch crops or tilled grassland is no problem. Furthermore the Certos discs work ideally also under extreme conditions such as on hard and dry soils.


  • Working depths of 7 cm to 20 cm
  • Thickness of disc 5 mm/disc diameter 660 mm/coarse serrated
  • Good penetration also on heavy soils due to a high gross weight
  • Deeper, more intensive mode of operation when renovating pasture land
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No lubrication ever again – thanks to the maintenance-free disc bearings

With no need to lubricate the disc bearings, this results in a significantly reduced overall maintenance time. Face seals have been used for decades in road construction equipment where the rollers on the running gear of caterpillar-tracked vehicles have to be effectively sealed and continue to work absolutely reliably under the toughest of operational conditions.


  1. 2-row angular contact ball bearing
  2. 2 x O-Ring
  3. 2 x cast rings with face seal
  4. Face seal built into conical seats
  5. Gear oil filled housing
  6. Proven 1,000,000 times over!

“It is amazing that the disc bearings on the complete machine do not require any lubrication.”
(Agratechnik magazine · 08/2012)

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Oversized disc bearings

Due to their even bigger outer diameter, the disc bearings on all Catros over 4 m, the CatrosXL and the Certos-2TX are even more robustly dimensioned. Due to the robust design, maintenance-work and running costs are again kept to a minimum and long life times are guaranteed even under the most arduous operational conditions.


The benefits:

  • Maintenance-free disc bearings with slide seals and life-long lubrication
  • Maintenance-free stone safety protection via rubber sprung buffer blocks
  • Individual disc suspension for optimised contour following and excellent through passage
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Aggressively angled discs

The large discs on the Certos-2TX, with their increased angle of attack of 22° in the front row, are  articularly aggressively mounted so that, even on heavy soils, they leave an excellent working quality with an increase in the undercut.  


  • Utilising the slotted holes, the outer discs can be adjusted for depth to ensure a clean join up between one pass and the next.
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Perfect contour following – individually suspended discs

On all models, whether a Catros, Catros+, CatrosXL or Certos, each individual disc is suspended from the frame on elastic sprung rubber elements which is much better than machines with rigid disc suspension. Every concave disc can individually follow the ground contours, so that not only are the tracks filled up, but they are actually worked up, ensuring an evenly shallow soil tillage operation even with prevailing undulations on the soil surface. At the same time, by suspending each individual disc it allows the optimum passage of large amounts of organic matter in comparison to machines where the discs are mounted in pairs.

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Safe and absolutely maintenance free

The elastic sprung rubber elements that suspend each disc, do not only serve to aid perfect adaptation to the ground contours, but also as an overload protection system for the individual discs. The large dimensioned rubber buffer blocks are maintenance-free and feature a long spring deflection that provides you with peace of mind, even in stony ground.


Practically orientated down to the last detail:

  • Contour following of the individual disc segments and with built-in overload and stone protection
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Perfect working results

The disc diameter on compact disc harrows is of significant influence on the working depth and the quality of work. For the front row, the very large 660 mm diameter serrated discs on the Certos-2TX are set especially aggressively at an angle of 22 degree, resulting not only in an excellent working performance even in heavy soils but also in an increased undercut.


  • Certos 4001-2TX, 4,0 m Working width
  • Certos 5001-2TX, 5,0 m Working width
  • Certos 6001-2TX, 6,0 m Working width
  • Certos 7001-2TX, 7,0 m Working width
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Hydraulic top brace belt

For compensating against any possible diagonal pull of the machine, the Certos can be equipped with the additional hydraulic top brace. The additional cylinder at the rear of the machine allows the simple and very sensitive correction of the machine. Via a double-acting spool valve, the machine can be optimally matched from the tractor cab. Especially for when working on slopes, the top brace is of huge benefit.

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