Power Harrow Rotodent RK
OVERVIEW
The professional rigid power harrow ROTODENT RK, thanks to its TWIN-FORCE tine support with tapered roller bearings is particularly suited in combination with seed drills and it is available in the working widths 3, 3.5 and 4 m.
It is ideal for tractors from 90 to 200 HP.

FEATURES
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Gearbox
By reversing the position of the changeable gears by replacing it, it is possible to have available several rotation ratios of the rotors.
This makes it possible to obtain the best possible performance of the power harrow depending on the type of soil, on the forward speed and on the required degree of crumbling. -
Levelling bar on roller. Independently adjustable
The leveling bar of the ALPEGO power harrows is directly attached to the rear roller.
This makes it possible to maintain a constant height from the ground, thereby improving the leveling quality and reducing the power absorbed by the power harrow.
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Floating roller mounted on a parallelogramm
Thanks to the PARALLELOGRAM system of depth adjustment , the rear roller constantly maintains the same degree of inclination, therefore:
- The leveling bar is constantly correctly adjusted;
- In the combination with a seed-drill the pressure of the seeding coulters is kept constant
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Stone guards under the gear trough
The front guards prevent rocks from entering to cause rotor damage.
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Rotors mounted on tapered roller bearings “Twin-Force”
The TWIN-FORCE system consists of two rotors mounted on conical bearings, joined together by one support.
This allows for longer tines and guarantees high reliability and an increased efficiency also in conjunction with high tractor powers.
EQUIPMENT & SPECIFICATIONS
- EQUIPMENT
- 1000 Rpm gearbox Z=21/33 rotor speed 343 rpm
- Linkage cat. 2 and 3. (RK-300= cat. 2), oscillating
- Movable side plates
- Levelling board on roller. Independently adjustable
- Universal joint with shear bolt or automatic cam clutch safety system (NOT PROVIDED AS STANDARD)
- TECHNICAL DATA
Mod. HP mm. mm. mm. (n°) (n°) Kg Rotodent RK-300 90-200 2980 3000 280 12 12+12 1155 Rotodent RK-350 100-200 3480 3500 280 14 14+14 1290 Rotodent RK-400 120-200 3980 4000 280 16 16+16 1430
OPTIONS
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Track eraser pair
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NO-STOP Track eraser pair
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Hydraulic depth adjustment
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Hydraulic carrier for mounting a seed drill
for rigid machines:
for folding machines:
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Rear P.t.o.
Pto maximum power 10 Kw
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Drop forged tines
The new drop forged tines are Available in the new version “Drop Forged Quick Fit” for models RK, DK, RmaX and DmaX and in the “Drop Forged Bolt-on” version for the models RmaX and DmaX.
- Double conical joint: for an easy release, even under the most severe conditions;
- Triangular section: for the deepest possible penetration into the soil;
- Helical contour: it produces a top-quality crumbling while reducing the strain on the mechanic components of the power harrow.
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Kit for quick release of forged tine
The QUICK-RELEASE system can also be supplied as a separate kit as an alternative to the traditional one.
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Cage roller
The CAGE roller is suitable for dry soils of medium density. With the extra kits (available only for the G5 series) it is possible to add some pipes to the cage, thereby increasing the supporting surface.
The structure of the cage does not make it suitable to support very heavy loads, such as the combined implements.
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Spike roller
The SPIKE roller is very versatile, it works well even when the soil is damp and compacted.
It can be used in the combinations with the seed drill
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Spiral roller
The SPIRAL roller creates a soft and uniform seeding surface and is suitable for medium and light soils.
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Packer roller
The PACKER roller has a tubular structure with a large diameter: this makes it very sturdy and particularly suited for the combinations with seed drills. Several rows of tines guarantee the traction on the ground and a series of adjustable brushes keeps each of them clean.
The result is a compact surface, perfect for sowing.
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Rubber roller
The GOMMA (rubber) roller is suited for combinations with seed drills for cereals: it guarantees that the seed is placed at a constant depth.
The rubber covered surface and its large diameter decrease the clamming effect of the soil and makes it a roller suited for any work condition.

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