Key features of U652 disc harrow – professional tillage equipment
At a glance

Disc harrow U652

Key information

Scroll sideways or pick a tab to browse all sections – overview, operating principle, optional equipment, choosing discs, choosing a roller, other equipment, choosing a configuration, choosing a version and alternatives.

01 · Overview

Disc harrow U652

The disc harrow U652 is a versatile machine for stubble cultivation, mixing crop residues, and preparing soil before sowing. The choice of discs, additional tools, rollers, and mounted or semi-mounted versions allows it to be adapted to the soil, the amount of residues, and the tractor's capabilities.

What is the disc harrow U652 used for?

The disc harrow U652 is used for post-harvest and pre-sowing cultivation. It can be used for:

  • the first pass after harvest,
  • managing stubble and residues,
  • cultivating catch crops,
  • mixing manure with the soil,
  • preparing the seedbed for the next crop.

It performs well both in shallow ploughing that limits water loss and stimulates volunteer plants and weeds to germinate, as well as in later seedbed preparation before sowing.

02 · Operating principle

How does the disc harrow U652 work?

The individual stages depend on the equipment selected. The diagram below shows the operation of the U652 in an extended configuration, including one of the optional front tools, a finger comb beam between the rows of discs, and a spring comb beam behind the roller.

  • The Crossboard drag or the ProCut knife roller prepares the field for the discs' work. The Crossboard drag the surface and breaks up clods, while the ProCut chops long crop residues and catch crops.
  • The first row of discs cuts into the soil and begins mixing it with plant residues. The intensity of the work depends on the type of discs selected, the set depth, and the forward speed.
  • The finger comb beam mounted between the rows regulates the flow of soil and residues and spreads the material before the second section.
  • The second row of discs continues cutting and mixing, evening out the work effect across the full width.
  • The finishing roller crushes clods, compacts and levels the surface, stabilizes the machine, and helps maintain the hydraulically set working depth. The final effect depends on the type of roller.
  • The optional spring comb beam behind the roller spreads out the straw and distributes it evenly over the surface.

In the basic configuration, the U652 starts work with two rows of discs and finishes with the finishing roller.

03 · Optional equipment

Additional equipment for the disc harrow U652

The configuration of the U652 can be adapted both to the type of cultivation being carried out and to soil conditions and the amount of residues remaining on the field. The greatest impact on the work result comes from the selected discs, the tools mounted in front of and between the disc sections, and the roller that completes the cultivation.

How to choose the front tool and comb beam?

The Crossboard drag and the ProCut knife roller are alternative tools mounted in front of the discs. The comb beam, on the other hand, work in the further parts of the machine and are mainly responsible for controlling the flow and distribution of residues.

ElementWhen is it worth choosing?
Crossboard dragFor pre-sowing cultivation on an uneven or clod-heavy field. It levels the surface and breaks up clods before the discs pass, and on stony fields it does not bring stones up to the surface.
ProCut knife rollerFor large amounts of long crop residues, tall catch crops, and residues after maize, sunflower, or rapeseed. Pre-chopping the material makes it easier to mix it into the soil later.
finger comb beamWhen a large or unevenly distributed amount of straw hinders the free flow of material through the machine. The harrow is mounted between the rows of discs and spreads the residues before the second section.
Rear spring comb beamWhen the combine has left clumps of straw that need to be spread across the entire width of cultivation. The harrow works behind the finishing roller and is the last element in the configuration.

Note! The Crossboard drag and the ProCut roller cannot be combined together.

04 · Choosing discs

How to choose discs for the U652 harrow?

The standard notched disc is included in the table as a reference point for variants available on request or for an additional fee.

Disc variantWhen is it worth choosing?
OFAS toothed disc 560 mmA universal choice for stubble cultivation, mixing larger amounts of residues, and working on dry, compact soil. The serration facilitates penetration and straw cutting.
Smooth discFor shallower pre-sowing cultivation and working on fields with little residue, when even soil finishing is more important than aggressive cutting.
Fine toothed discAn intermediate solution between a plain disc and a standard one. Suitable for pre-sowing cultivation when cutting of plant residues is also needed.
ALFA disc 560 mmFor intensive shredding of hard and fibrous residues, especially stubble after grain maize harvest.
610 mm disc with reinforced disc legFor more intensive and deeper cultivation on heavy, dry soil and with large amounts of residue. However, the larger disc increases the draft power requirement.
05 · Choosing a roller

How to choose a finishing roller for the U652?

The roller should be matched to the soil compactness and moisture, as well as the expected degree of crumbling and compaction. The tube roller is the standard, while the other variants allow for more precise adjustment of the working effect.

Roller typeConditions and expected effect
Tube rollerFor light and medium soils. Lightly crumbles, levels, and provides support for the machine.
String roller with flat barsFor shallow compaction and levelling, when a stronger effect than after a tube roller is needed without a significant increase in machine weight.
String roller with cogged barsFor pre-sowing cultivation of medium soils. More intensively breaks up clods and loosens the top layer.
Tube-ring rollerFor light and medium-compact soils. Crumbles and compacts in strips while maintaining low weight.
Packer rollerFor medium and heavy soils, including those with residues or stones. Strongly crumbles and compacts; not suitable for light and moist soils.
Crosskill rollerFor pre-sowing crumbling of dry, cloddy medium and heavy soil. Not recommended for very moist or heavily stony fields.
V-ring rollerFor medium and heavy soils with few stones, especially dry ones. Intensively crumbles and deeply compacts in strips.
T-ring rollerFor loamy, clay, and heavily cloddy soils. Aggressively crushes clods and cuts straw.
U-ring rollerVery versatile. Provides load-bearing capacity, throughput, and levelling without strong compaction of the deeper layer.
Spring rollerFor heavy, moist, and loamy soils. Deeply compacts, levels, and self-cleans well.
Rubber rollerFor pre-sowing compaction of medium and heavy soils. Works in strips.
Tire rollerFor loose and moist soils. Provides high load-bearing capacity and even compaction for sowing.
Steel ring rollerFor heavy and stony soils with a large amount of organic matter. Strongly crumbles, deeply compacts, and presses stones into the ground.
Tube-string tandem rollerWhen a single roller does not provide sufficient levelling and crumbling. The first section compacts, while the second breaks up remaining clods.
U-ring tandem rollerA versatile variant with high load-bearing capacity, good ground following, and even surface compaction. Particularly useful in semi-mounted versions.
ORION prismatic rollerFor intensive pre-sowing cultivation. Strongly crumbles and leaves fine soil in the seedbed layer, with larger aggregates on the surface.

See more on choosing a finishing roller

06 · Other equipment

Other equipment for U652

ElementWhen is it worth choosing?
EXTREME maintenance-free hubsFor intensive use, when the priority is to reduce servicing and the risk of downtime.
Maintenance-free shaft bearing unitsTo reduce lubrication and maintenance tasks on the shaft.
Levelling side platesTo reduce the formation of unevenness and furrows between successive passes.
Support wheelsTo stabilise the semi-mounted version and maintain working depth more accurately on uneven fields, as well as to relieve the tractor's lifter.
APV or Delimbe seederFor sowing catch crops during cultivation and reducing the number of passes.
07 · Choosing a configuration

How to select the configuration of the U652 disc harrow for the purpose of the operation?

The table below shows example configurations of the U652 for various cultivation purposes. They should be treated as a starting point, as the final choice of equipment depends on the soil type and moisture, the amount of residue, and working conditions.

Purpose of the operationSuggested configuration
Shallow stubble cultivation after cerealsOFAS discs 560 mm + U-ring tandem
Large amounts of long, fibrous residues, e.g. after maize or tall catch cropsProCut + ALFA discs 560 mm + U-ring tandem
More intensive cultivation of heavy, dry soil610 mm discs with reinforced disc arm + 3D shock absorbers + V-ring tandem or steel ring tandem
Pre-sowing field preparationCrossboard + fine-tooth discs + Crosskill, rubber or ORION roller
Cultivation combined with catch crop sowingKnife roller + OFAS discs 560 mm + APV or Delimbe seeder + roller matched to soil type
08 · Choosing a version

Which version of the U652 disc harrow should you choose?

The U652 is available as a mounted machine with a rigid frame, a hydraulically folding mounted machine, and a semi-mounted machine. When choosing, you should consider not only the tractor's power, but also the rear three-point linkage lifting capacity, the tractor's weight and axle spacing, the frequency of road transport, and the planned equipment of the harrow. A heavy roller or tandem design can significantly increase the requirements for the set.

U652 versionWhen is it worth choosing?
Mounted with rigid frame 3,0–4,0 mThe simplest and most manoeuvrable variant, suitable for smaller and medium-sized fields. It requires a tractor with sufficient lifting capacity and appropriate front axle ballasting. Widths above 3,0 m are worth choosing primarily when the machine does not need to travel on public roads.
Hydraulically folding mounted H 4,0–4,5 mFor farms that need higher output but want to retain the manoeuvrability of a mounted machine and a safe transport width. The entire weight still rests on the rear three-point linkage, so before choosing you need to check the lifter's capacity, the permissible rear axle load, and the possibility of proper tractor ballasting.
Semi-mounted HP 4,0–6,0 mFor working on larger areas, with a more powerful tractor and extensive equipment. The transport chassis takes on a larger part of the machine's weight, improves its stability, and reduces the load on the lifter. The HP variant is especially justified for larger widths, heavy rollers, and frequent road transport, but it requires more space for manoeuvring.

Tractor power should not be selected solely based on the minimum value given in the technical data. The set should maintain the speed needed for proper cutting and mixing of the soil, even on heavy ground, in hilly terrain, and with large amounts of residue. 610 mm discs, a front implement, and a heavy or double roller further increase the draft power requirement, so it is safer to keep a power reserve than to choose a machine that is too wide and works too slowly.

09 · Alternatives

When to choose the U652 disc harrow, and when a different Rolmako machine?

The U652 is worth choosing when a farm needs a universal harrow for stubble cultivation and pre-sowing soil finishing, which can be adapted to varying amounts of residue and field conditions.

  • Compact disc harrow U693 will be better when a more compact machine is needed for shallow, intensive cultivation and thorough mixing of the topsoil layer. It is worth considering for a smaller tractor, small or irregular fields, and also when the harrow is to work together with a slurry applicator.
  • Disc harrow SpeedCutter will work well if the main task is ultra-shallow, full-surface undercutting of stubble with as little soil movement as possible. Wavy discs help reduce moisture loss and create conditions for rapid emergence of volunteer plants and weeds.
  • Heavy stubble harrow U671 PRO/PRO+ will be more suitable for intensive work on very heavy, dry, and compacted soils, and with large amounts of residue requiring deeper mixing. Its heavier construction requires a more powerful tractor, which is why it is intended primarily for large farms and the most demanding conditions.

The U652 occupies a place between these solutions: it is more versatile in terms of working depth than the SpeedCutter, more massive and capable of processing a larger amount of crop residues than the compact U693, while at the same time being less demanding for the tractor than the U671 PRO and PRO+.

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Rolmako U652 disc harrow – seedbed and stubble cultivation tool in one




A universal machine for pre-sowing and stubble cultivation

The U 652 disc harrow is a stubble harrow that performs post-harvest work efficiently. Equipped with high-quality discs and shock absorbers that meet stringent operating standards, the machine's wide gap between the discs and vibration-absorbing shock absorbers ensures optimal processing of crop residues without blockages. It excels not only in stubble work but also in soil preparation before sowing.




Two variants of the overload shock absorber

The U 652 machine is an addition to Rolmako's extensive range of disc harrows, positioned between the U 693 and U 671 models. Featuring a disc spacing of 90 cm, it is equipped with OFAS 560 mm discs, maintenance-free hubs, automatic transport locking, and hydraulic depth adjustment. The machine's working elements are protected against excessive overload by LongLife 40 mm rubber elements or, optionally, 3D shock absorbers with a 35 mm x 35 mm worm spring.




Two variants of the shock absorber: 3D shock absorber and rubber shock absorber in U652 from Rolmako




U652 disc harrow can be equipped with tillage tools like the Rolmako knife roller




Additional cultivation tools that ensure the highest quality of cultivation

Rolmako U 652 can be equipped with tools for fast and high-quality cultivation. The machine can include a finger comb beam between the discs to prevent stubble blockages and a rear spring comb beam to spread poorly dispersed straw over the entire crop width. It can also be equipped with front cultivation tools, a choice of Crossboard drag in various versions, or a knife roller, depending on the desired cultivation effect.

Machine construction



1. Rear LED lighting beam

Optionally, the LED lighting beam can be equipped with a license plate frame with illumination for machines that will be registered at the transport office.

2. Drawbar hitch

Due to the incorporation of washers and bushings crafted from highly durable materials, the drawbar eliminates the need for lubrication. It features replaceable hardened hitch tips. Optional coupling forms include a drawbar eye or a K80 ball hitch.

3. Massive drawbar

Drawbar with a swinging beam of Category III tractor hitch. Both mechanically and hydraulically adjustable, the drawbar provides high stability during cultivation work and field travel.

4. Transport trolley

The transport trolley positioned in front of the tillage roller optimizes weight distribution on the machine, enabling efficient and smooth field operation and ensuring enhanced stability of the disc harrow during road transport.

5. Two brake options

Agricultural machines and their combinations exceeding a total weight of 3500 kg must be equipped with pneumatic or hydraulic brakes for movement on public roads. Machines surpassing this weight that are not equipped with such brakes are prohibited from traveling on public roads.

6. Supporting wheels

For large machines, the manufacturer recommends equipping them with optional support wheels to better maintain the working depth and relieve the load on the tractor's hydraulic lift system.

7. Knife roller

The roller delivers superior cutting performance at high rotational speeds. Hydraulic regulation of pressure is controlled from the tractor cabin. Crop residues are more effectively incorporated into the soil, expediting decomposition.

8. Working elements

Standard harrow disc with aggressive tine 560 mm, manufactured by OFAS. Basic thickness 4 mm, with options for 5 mm and 6 mm. Additional disc shapes available: smooth, fine-tooth, ALFA disc.

9. Bearing of working discs

Fully integrated disc bearing system, permanently lubricated and sealed.

10. Long Life rubber shock absorbers

Rubber spring elements allow the optimal adjustment of the concave discs to the contours of the cultivated soil. This ensures the safety of the disc harrow frame and absolute maintenance-free overload protection while maintaining the preset working depth.

11. Side leveling covers

The use of side levelling covers retains the cut and mixed straw within the unit, preventing the formation of mounds and ruts during subsequent passes.

12. Tillage roller

To cultivate the soil effectively, selecting the appropriate tillage roller is essential. The choice depends on the soil type and the desired outcome. Each roller variant is designed for specific working conditions.

13. Adjusting the working depth

The hydraulic adjustment of working depth, facilitated by spacer clips on the cylinders, is designed to be easy and operator-friendly.

14. Automatic arm lock

The transport lock is automatically engaged by a spring-loaded latch, which is released by a single-acting hydraulic cylinder.

15. Adjustment of the row of disc

The system enables the easy adjustment of the front row of discs relative to the rear working section. This solution offers the advantage of correcting the position of the discs as they wear out.




AgriHub hub for disc harrows Rolmako – maintenance-free solution


Equipment
standard
  • OFAS toothed disc with a diameter of 560 mm, rubber shock absorber LongLife 40mm x 180mm, maintenance-free AgriHub hubs, spacing between the rows of discs 90 cm, hydraulic adjustment of the working depth, pipe roller Ø 500 mm. The U 652 disc harrow with a width of 5.0 m and 6.0 m is equipped witha pneumatic brake as standard. On the Customer's request, a smooth disc or a fine toothed disc is mounted.
Equipment
optional
  • Maintenance-free SKF hub
  • Spring comb beam
  • Finger comb beam
  • 3D absorber with 35 mm x 35 mm spring
  • ALFA disc 560 mm x 5 mm
  • Front Crossboard heavy duty drag
  • Disc 610 mm x 6 mm + reinforced disc leg
  • ProCut knife roller (hydraulic adjustment)
  • Pneumatic brake
    (4,0 m HP i 4,5 m HP)
  • Hydraulic brake
    (4,0 m HP i 4,5 m HP)
  • Supporting wheels 400/60-15.5 for the trailed version
  • Levelling side covers
  • Delimbe aftercrop seeder
  • APV aftercrop seeder
  • Front reflective plates (mounted machines)
  • Front LED lighting beam
    (trailed machines)
  • Rear LED lighting beam
  • Maintenance-free roller bearing units
Tillage rollers
optional
  • String roller with flat bars Ø 460 mm
  • String roller with cogged bars Ø 460 mm
  • Packer cogged roller Ø 460/550 mm
  • Tubular-ring roller Ø 450 mm
  • Crosskill roller Ø 400/500 mm
  • Ring roller Ø 500/600 mm
  • Spring roller Ø 470/550 mm
  • Rubber roller Ø 500 mm
  • Tire roller Ø 600 mm
  • Roller of steel rings 48-52HRC Ø 600 mm
  • T-ring roller Ø 500/600 mm
  • U-ring roller Ø 540 mm
  • Tandem pipe roller Ø 400 mm plus string roller Ø 400 mm
  • Tandem U-ring roller Ø 540 mm
  • Prismatic roller ORION Ø 500 mm

See more

Most frequently chosen accessories

Beam with Spring comb beam – improves straw distribution in disc harrowing
Maintenance-free bearing assemblies for packer and tube rollers
Pneumatic or hydraulic brake system for towed agricultural machinery
Support wheel – ensures stable working depth of disc harrows
Levelling side covers
Maintenance-free SKF hub – durable component for disc harrow machinery
Cover crop seeder – optional equipment for disc harrows
610 mm x 6 mm disc with reinforced arm – for heavy-duty disc harrowing
Tandem roller set – 400 mm tube roller plus 400 mm string roller for tillage equipment
Rear beam with lighting – transport-ready disc harrow equipment
ProCut knife roller (Hardox) – stubble cutting tool for disc harrows
Packer roller Ø500 mm – for optimal soil compaction after disc harrowing
Ring roller Ø500 mm – finishing roller for tillage machinery
Ring roller Ø600 mm – heavy-duty option for disc harrow soil finishing
Tube roller Ø500 mm – common rear roller for disc harrows
Tube roller Ø600 mm – robust soil-finishing roller for disc harrowing
U-Ring roller Ø540 mm – ideal for moisture retention after disc harrow use
Tandem U-Ring roller Ø540 mm – advanced tillage roller for disc harrows
Ø600 mm roller with 48–52 HRC steel rings – high-durability roller for disc harrows
Reinforced front Crossboard – leveling accessory for disc harrow seedbed prep
Semi-mounted or trailed disc harrow Rolmako U652 – versatile tillage machinery

Cultivation tools

  • Modern construction
  • Cultivation discs
  • Crossboard drag
  • Finger comb beam
  • Spring comb beam
  • APV aftercrop seeder
  • Tillage rollers


Heavy-mounted disc harrows U652 by Rolmako – robust agricultural equipment

Modern construction

The three-part frame of the machine facilitates better weight distribution, with the wings of the disc harrow being lighter. This design allows for the repositioning of the middle roller, enabling the rollers to overlap. Unlike rollers mounted in a single line, this configuration completely eliminates the potential for blockages. Placing the axle in front of the tillage rollers offers several advantages, including the ability to mount the rollers in a tandem system and improving the machine's performance on roads and in the field. The entire series of Rolmako U 652 disc harrows is designed to work with high-power tractors, delivering optimal performance at high working speeds.



Discs for seedbed and stubble cultivation – Rolmako disc harrow system
Rolmako seedbed discs – fine-tooth or standard disc options for disc harrows


Crossboard drag with U652 disc harrow for improved cultivation effectiveness

Crossboard drag

The drag is constructed from hardened springs and bent working tips. Positioned ahead of the disc section, it breaks up clods and levels the field, creating an optimal surface for sowing. The harrow is effective on stony fields as it does not bring stones to the surface. For challenging conditions, an optional stabilizing beam can be mounted to connect the working elements into a unified system for enhanced leveling. When a hard crust forms on the field surface, an aggressive skid with DoubleKnife tines is recommended.



Finger comb beam – regulates crop residue flow during disc harrowing

Finger comb beam

The tool, placed between the rows of two disc sections, has adjustable working height and angle of inclination. It controls the flow of soil with mixed organic residues and improves the distribution of stubble residues over the entire field surface. The finger weeder operates without direct contact with the soil, retaining the soil, and allowing the rear disc section to work freely without issues dealing with a large amount of soil. The weeder can additionally be mounted between the rear disc beam and the finishing roller, thus regulating the flow of the cultivated mass onto the finishing roller.



Spring comb beam – optional add-on for straw spreading and effective disc harrowing

Spring comb beam

The manufacturer optionally installs a beam with a spring comb behind the disc section, ensuring the straw is evenly spread across the field's surface, thereby preventing areas of high straw accumulation that hinder proper cultivation. Uniform straw distribution is crucial, as it ensures consistent development conditions for the next crop across the entire field. The spring comb is an effective tool that enhances cultivation, offering optimal starting conditions for sown plants.



Cover crop seeder – upgrade for Rolmako agricultural machinery

APV aftercrop seeder

We equip our cultivation machines with catch crop seeders in partnership with specialists from APV, who provide a wide range of catch crop and fertilizer seeders. The complete product range and available accessories can be found on the manufacturer's website (https://en.apv.at). Utilizing APV catch crop seeders on Rolmako cultivation machines reduces unnecessary travel. APV devices ensure precise spreading of catch crops and subsowing, even in the smallest doses.



Which roller for your disc harrow? Rolmako experts help choose the right finishing roller

Tillage rollers

Kneading, compacting the soil, crushing clods, and leveling the field surface are the final stages of cultivation, performed by the rear roller following the working tools of the cultivation machines. The selection of the appropriate cultivation roller significantly impacts the entire work process and the functionality of the cultivation machine. At Rolmako, we offer a variety of cultivation rollers that differ in shape, material, external diameter, weight, and, most importantly, cultivation purpose. The choice of roller depends on the soil type and the desired cultivation outcome. Rolmako provides expert advisory services to ensure proper adjustment of the cultivation machine to the working conditions.









Different disc harrow accessories from Rolmako mean different tillage results

The primary properties

  • 3D absorber
  • LongLife rubber shock absorber
  • Adjustment of the row of disc
  • Hydraulic drawbar
  • Supporting wheels
  • Transport carriage
  • Maximum lifespan of disc bearings
  • Utilization of various disc variants
  • ALFA cutting disc
  • Hydraulic adjustment of working depth
  • Bearing units of the roller
  • Various configurations available
  • Oversized agricultural structures
  • Steel providing an advantage


3D shock absorber – protects each disc individually from overload

3D absorber

Each disc is individually safeguarded against overload by a 3D shock absorber. The machine's new disc and frame protection system can move omnidirectionally to bypass obstacles. The overload system (vibrations during operation) ensures optimal penetration effect. The spring enhances cultivation through the vibration effect, ensures disc cleaning, and promotes consistent performance.



Rolmako agricultural machinery with maintenance-free overload protection

LongLife rubber shock absorber

Each disc is independently mounted to the frame using a 40 mm x 180 mm rubber shock absorber, ensuring consistent maintenance of the working depth, an aggressive cultivation effect, and protection against damage. Rubber spring elements allow optimal adjustment of the recessed discs to the soil contours. The rubber rollers prevent sudden impacts with their extended shock absorption path. This ensures the safety of the disc harrow frame and maintenance-free overload protection while maintaining the set depth.



Disc shift adjustment – enables repositioning discs relative to the rear section

Adjustment of the row of disc

The front disc beam has a shift adjustment, enabling modification of the disc position relative to the rear working section. Adjusting the disc row settings proves beneficial at later stages of operation, as it compensates for reduced disc diameter resulting from extensive use. This adjustment maintains optimal working parameters despite disc wear.



Hydraulic drawbar – optional feature to weight the discs and ease turning in the field

Hydraulic drawbar

The disc harrow, equipped with an optional hydraulic drawbar, offers an additional function allowing for quick and gentle turning in the field using the intended cultivation rollers without the need for the machine's road wheels. The hydraulic drawbar, featuring an eye for the lower tractor hitch, simplifies connection to the tractor, increases each disc's pressure, and provides excellent stability during cultivation work and travel to the field. The optional drawbar is available with a fi 50 eye or a K80 ball hitch from Scharmüller. The drawbar with a fi 50 eye facilitates close attachment next to and below the tractor's rear axle, ensuring a reliable pulling point and improved energy transfer.







Support wheels are an option in the u652 disc harrow, providing stability to the machine, particularly in the 5-6 m working width

Supporting wheels

Wide front support wheels deliver exceptional control over working depth, enhancing stabilization and offering additional support to relieve the three-point tractor suspension system. The large wheel diameter ensures smooth operation on uneven fields, guarantees precise performance with wide machinery, and positively impacts cultivation quality by stabilizing the machine during operation.



Semi-mounted U652 Rolmako disc harrow with hydraulic transport system and added ballast function

Transport carriage

Trailed disc harrows come with a hydraulic drive system that lifts during cultivation, adding extra weight to the harrow. Its placement in front of the tillage roller is crucial as it shifts the center of gravity toward the tractor, enhancing weight distribution. The disc harrow can operate at speeds up to 15 km/h, efficiently leveling the field. Road transport is safer since the machine's wheels bear most of the pressure, significantly reducing the load on the tractor's lift.



Maintenance-free SKF hubs – extended disc bearing lifespan in harrows

Maximum lifespan of disc bearings

The elimination of hub maintenance requirements minimizes maintenance needs and conserves time. Standard hubs can be substituted with SKF original maintenance-free hubs, offering three times the service life of other solutions. SKF quality ensures enhanced reliability, increased efficiency, and reduced operating costs. The service life of SKF hubs is substantially higher than that of conventional bearings, achieving this with relatively low ownership and operating costs. Composed of 100% bearing steel, the hub optimizes machine uptime and reduces agricultural machinery service costs.



Rolmako machines use various disc options – smooth, ALFA, or OFAS types for disc harrows

Utilization of various disc variants

The optimized angle of attack is identical for both rows of discs, ensuring the machine follows the tractor precisely. The quality of the steel and the extensive experience gained through many years of production by the Italian company OFAS guarantee a top-quality product that has been approved worldwide. Discs with an aggressive tine are primarily used for working in fields with substantial straw. The disc tines facilitate easier machine penetration in challenging dry conditions. Smooth and fine-toothed discs are designed for shallower pre-sowing cultivation. The ALFA disc delivers excellent results on stubble after corn harvested for grain.







ALFA disc – recommended for post-harvest disc harrowing, especially after corn grain harvest

ALFA cutting disc

The profiled ALFA discs, with a significantly higher cutting and mixing effect compared to classic shapes of working elements, are a proven choice for farmers seeking optimal results. The profiled shape allows the disc to extract more soil and achieve better mixing and covering of plant residues. A large number of blades cut the stubble into small pieces, facilitating subsequent agrotechnical work. Recommended for all post-harvest crops, especially after harvesting corn for grain, the innovative ALFA disc 560 mm x 5 mm guarantees perfect cutting of crop residues.







Hydraulic depth adjustment – optional feature for disc harrow tillage control

Hydraulic adjustment of working depth

Hydraulic depth adjustment ensures optimum comfort of use and significantly facilitates activities related to setting this work parameter. The hydraulic adjustment of working depth, which is easy and operator-friendly, is conducted using spacer clips on cylinders. This option is justified when frequent changes in the working depth of the machine's elements are required.







Maintenance-free bearings in Rolmako machines – minimize service time in farm machinery

Bearing units of the roller

By incorporating maintenance-free bearings into the tillage rollers, we minimize the required machine maintenance time. The ductile cast iron housing is four times more durable than its grey cast iron counterpart. The combination of top and internal sealing offers superior protection for agricultural use. Rolmako prioritizes the smallest machine elements in every project, significantly impacting maintenance time and reducing the costs and duration of agricultural equipment inspections.



Rolmako machines are built from premium Swedish steel – S500MC and S700MC

Steel providing an advantage

Increasingly larger and more powerful agricultural tractors subject the structural elements of agricultural machinery to significant stress, pushing them to their operational limits. Modern agricultural structures are expected to demonstrate high resistance to loads and an extended service life. Achieving a high-quality end product necessitates the use of superior-quality steel in production. Accordingly, we utilize high-quality Swedish fine-grained steels S500MC and S700MC, as well as carbon and boron steels for heat treatment and the wear-resistant Hardox. The use of these high-quality steel products ensures our agricultural equipment is highly durable and capable of operating at high speeds with high surface efficiency.







Rolmako farm machinery stands out for its higher weight and robust construction

Oversized agricultural structures

Rolmako tillage machines distinguish themselves from competitors due to their superior weight. The company's development team designs agricultural equipment to endure the most challenging working conditions. Rolmako machines efficiently cultivate land in demanding regions worldwide without requiring additional loads. The substantial amount of steel in their construction makes these tillage tools robust, enabling the utilization of high-power modern tractors and ensuring long-term farm investment.







Wide range of options and configurations in Rolmako agricultural machinery

Various configurations available

Extensive export experience has enabled us to craft an offer aligned with customer expectations. Numerous configurations and additional agricultural equipment options allow us to adapt the device to specific field conditions. Years of dedicated efforts by Rolmako employees in enhancing the company's products ensure we deliver the highest quality products to the most remote regions, where they have proven effective in diverse soil systems.