The most comprehensive range of rollers for tillage machines
Rolmako, as an experienced manufacturer of tillage equipment, is fully aware of the challenging and demanding decisions our customers face when selecting the appropriate tillage roller. As practitioners enriched by exchanges with customers worldwide, we understand how soil conditions can vary significantly between neighboring countries, and sometimes even within a single farm.
The appropriate tillage roller ensures more efficient cultivation
Choosing the appropriate tillage roller is crucial to ensuring user satisfaction with a tillage device's performance. Even the best machine will not achieve optimal efficiency or utilize its full potential if the selected rear roller is not compatible with the specific soil and climate conditions in which it operates. While it is possible to use multiple types of rollers for each device according to prevailing conditions and soil types, this approach is cost-prohibitive and labor-intensive due to the need for roller replacements. The information below aims to assist our customers in selecting the optimal solution for desired outcomes in specific soil conditions.
The rollers differ in construction and the cultivation results achieved
Depending on its construction, the roller can compact the soil in deeper or shallower layers of the soil profile. It can cultivate the entire surface, work in strips, or serve an additional role by cutting plant residues. However, there is no universal roller that performs perfectly regardless of soil compactness and weather conditions. Rolmako meets customer expectations by offering the most comprehensive range of tillage rollers on the market. This extensive offering is the result of years of distribution and experience in various regions worldwide. Below, each available tillage roller is described and analyzed in terms of technical data (diameter and weight), suitability for specific soil conditions, and intended cultivation effects.
Compatibility with Rolmako cultivation machines
Rolmako is a manufacturer of agricultural machinery, providing a very wide range of tillage machines and rollers for them. The possibilities of combining machine models with different types of rollers are extensive. However, there are situations where it is not possible to mount a specific finishing roller to a given model of tillage machine. This occurs due to: design limitations, safety concerns, or simply because the manufacturer does not recommend and does not guarantee the tillage results of certain combinations. Below, in the table, you will find information on which rollers can be mounted to specific models of tillage machines. The presence of a dot in the designated field indicates the possibility of producing a device with a specified finishing roller.
String pipe roller
The pipe rollers offer efficient cultivation with minimal weight. They come in diameters of 500 mm (10 transverse tubes) and 600 mm (12 transverse tubes). Rollers with a larger diameter enhance support for the main cultivation tool and improve the crushing effect. Pipe rollers serve as a simple and cost-effective solution for controlling the working depth of the cultivation tool and compacting the soil. The compaction structure is arranged in transverse strips relative to the direction of travel. This lightweight roller rests perfectly on the field surface, providing solid support and consistent operation of the cultivation machine. Its versatility allows for crushing and leveling actions on light and medium soils. In practice, for cultivation combinations on light soils, we recommend selecting pipe rollers with a larger diameter, such as 600 mm.
String roller with straight or cogged bars
String rollers bear a strong resemblance to pipe rollers in their design. The round cross elements are substituted with smooth or cogged flat bars. This roller type is effective for shallow compaction and crumbling of clods on heavy soils. Additionally suitable for light soils, it levels the field surface efficiently, facilitating soil preparation for sowing. Similar to the pipe roller, its cross structure ensures stability and supports maintaining the set working depth. Employing a string roller offers numerous agricultural benefits, including improved soil structure, erosion prevention, enhanced water retention, and optimal seed germination conditions. It is a versatile tool used across various crops, such as cereals, vegetables, fruits, and grass. The string roller is applicable in both conventional and organic farming.
Packer cogged roller
The Packer toothed roller (available in diameters of 460 mm, 550 mm, and 650 mm) consists of a full central pipe equipped with metal teeth, which loosens the soil over the entire working width. The toothed elements are evenly spaced along the roller. During operation, the Packer roller performs multiple functions. Sharp elements penetrate the soil, breaking its compact structure and creating small lumps. This action enhances soil aeration and facilitates root system penetration. The Packer roller levels the soil surface, resulting in a more even field, which promotes uniform sowing or planting. Its operation improves seed-soil contact and minimizes moisture loss. Small lumps of earth created by the Packer roller function as a natural insulating layer, aiding in moisture retention, particularly in low-humidity areas. Adjustable scrapers ensure efficient, continuous work, even with substantial plant residue. The scraper tips are standardly made of HARDOX steel, ensuring long service life, even in challenging working conditions. The roller operates optimally in medium-heavy and heavy soils, demonstrating good load-bearing capacity and effective self-propulsion. However, it is not recommended for light soils as increased humidity may cause clogging.
Tubular-ring roller
The tubular-ring roller features a 450 mm diameter tube roller structure, with transverse tubes divided by perpendicular, evenly spaced rings. This model merges the benefits of both tube and ring rollers. The compaction structure is arranged transversely to the direction of travel, while the rings produce an additional strip-directed cultivation effect, significantly enhancing groundwater infiltration. Positioned ideally on the field surface, it ensures excellent load-bearing capacity and uniform working depth for the cultivation machine. Its versatility permits both crushing and leveling operations on light and medium soils.
Crosskill roller
The Crosskill roller is a cast iron ring system employed for soil cultivation. Each ring operates independently and is equipped with a specially designed scraper. This design ensures efficient, uninterrupted operation. The Crosskill roller rings feature multiple flat, short arms that interact with the soil during processing, enabling soil crumbling and optimal preparation for sowing or planting. The small elements of the Crosskill ring penetrate the soil, facilitating loosening and crumbling. This improves the soil structure and directs plant root development. The Crosskill ring reduces soil lumps formed after ploughing, ensuring even seed distribution during sowing. Significant soil crumbling enhances seed germination and young root development, leading to better crop starts. The "legs" on the rings increase the contact surface between the soil and the roller, enhancing moisture absorption. The Crosskill roller is primarily used for soil preparation before sowing or planting, creating an even and well-prepared lumpy surface. The Crosskill roller is available in different sizes and configurations. Rolmako offers Crosskill rings with diameters of 400 mm and 500 mm. The 400 mm variant is also available in a Tandem arrangement, reducing susceptibility to clogging with stones or crop residues. This roller is not recommended for use in significantly stony or waterlogged conditions.
Ring roller V-Ring
The V-ring roller, also known as the roof or angle roller, is available in two diameters: 540 mm and 600 mm. It is primarily used on slightly stony, medium, and heavy soils, where it effectively crushes lumps. With its sharp, angular profile, it provides a good cutting and crushing effect. Large diameter rings, equally spaced on the pipe, offer strip-type soil compaction. Each ring includes four welded plates, or "carriers," supporting its roll in light and sandy soil conditions. The roof roller is noted for compacting the deeper layer, resulting in improved water infiltration and effective lump crushing on the soil surface. Each ring is separated by a dismantlable scraper, depending on needs. Optionally, a system of spring scrapers, known as EasyClean, allows adjustment of the angle of attack, cleans spaces between rings, and breaks up remaining lumps.
U-Ring roller
The U-Ring roller (also referred to as C-Ring) with a diameter of 540 mm is recommended for applications where load-bearing capacity, soil throughput between the roller elements, and effective levelling are crucial. The open U profile is designed to fill with soil, minimizing ring wear and gently compacting the soil in strips through contact on the soil-soil line. Compaction is primarily concentrated in the top layer, with no significant effect on deep cultivation due to the U profile. The U-profile roller performs exceptionally well on light soils and, owing to its design, is relatively lightweight and experiences minimal wear. Each ring is separated by a spring-loaded EasyClean scraper, which allows for adjustment of the angle of attack, cleans the spaces between rings, and breaks up any remaining soil clods.
T-ring roller
The T-ring roller ensures optimal crumbling of clayey or lumpy soil. It also operates effectively on silts, and its action on straw promotes decomposition. The structure and effect of the T-ring roller closely resemble those of the V-ring roller. Instead of an inverted angle, the T-ring roller features a ring shaped like the letter "T" turned 180 degrees. This ring structure allows for more aggressive cutting and crushing of surface lumps. Optionally, the EasyClean spring scraper system is available, enabling angle adjustment, cleaning between rings, and further breaking up remaining lumps.
Spring roller
The spring roller is available in diameters of 470 mm and 550 mm. It features flexible hoops placed in a belt on the central axis, made of high-quality spring steel with surface hardening to extend service life. The spring roller boasts excellent self-cleaning properties due to its vibrating spring elements and smooth contact surface with the soil. The roller effectively compacts soil in deep layers, attributed to the special shape of the ring. It also enhances residue mixing, positively influenced by the vibrating characteristics of the hoop. The spring roller promotes fine soil production across the crop surface and levels the field perfectly. The wide spring hoops provide load-bearing capacity suitable for heavy machinery. It is recommended for heavy, moist, and clayey soils. Standard models lack additional cleaning elements, but it can be equipped with the EasyClean cleaning drag.
Rubber roller
The Rolmako rubber roller is available in two diameters: 500 mm and 700 mm. It comprises rubber hoops separated by spacers, enabling strip cultivation and preventing sticking. This roller performs effectively in both dry and wet soils, leaving optimally compacted strips. The spaces between the rings are simultaneously loosened, allowing the soil to breathe. The precise ring spacing fosters ideal conditions for sowing cereals. The sowing area is compacted in strips, with loosened soil in between, facilitating significant rainfall absorption. The rubber's properties and adjustable roller scrapers effectively prevent clogging, regardless of working speed.
Roller of steel rings
The steel ring roller is constructed from closed, welded pairs of discs, with additional sharpening at the ends. It compacts soil in strips and is available with a diameter of 600 mm, characterized by substantial weight. Its design facilitates deep soil compaction. It efficiently crushes soil clods and its heavy weight presses surface stones into the soil. It is suitable for heavy, stony soils with high organic content. On clayey soils, it excels in field preparation for sowing by enhancing water and gas exchange and accelerating soil drying. The smooth roller surface prevents adhesion of soil and crop residues. Additionally, it features specially designed, adjustable cleaning scrapers to prevent clogging.
Spiral roller
The spiral roller, with a diameter of 455 mm, is designed to firm, level, and consolidate the seedbed effectively. It helps to retain soil moisture and enhances germination, producing an evenly firm seedbed that ensures consistent seed placement depth. The compacted soil surface features a herringbone pattern, remaining open and friable yet resistant to water and wind erosion. In dry conditions, regardless of soil type and with minimal power requirement, the roller prepares an excellent seedbed. It also performs well in wet conditions and rocky fields, thanks to its high-tensile-strength material, resulting in significantly higher tensile and yield strength compared to mild steel.
Twin Disc roller
The Twin Disc roller is designed for operation behind a subsoiler. Its technical features allow it to be utilized behind a machine equipped with a coupling for a tillage machine or on a tractor's front suspension system. The roller comprises two rows of wavy discs with a diameter of 470 mm. It serves as an ideal complement to cultivation when combined with subsoilers and can also support the work of disc harrows. Its collaboration with disc harrows and subsoilers on stubble significantly enhances the final result on the cultivated field. The special shape of the discs effectively crumbles clods, mixes crop residues with the soil, and levels the terrain surface. The interlocking arrangement of the wavy discs ensures excellent self-cleaning.
Tire roller
The 600 mm diameter tire roller utilizes 195/65-15R tires. Besides its cultivation function, it serves as a transport axle, enabling the tillage machine to form a compact trailed structure that does not demand high tractor power. Due to its large diameter and superior rolling properties, the tire roller operates effectively on loose soil, ensuring proper, even, and deep soil compaction for sowing. The solid wheels with a tractor tread are resilient to stony conditions and ensure smooth operation in wet conditions. The primary function of the tire roller is to compact the soil, enhancing water absorption. It also offers excellent load-bearing capacity for the tillage device.
Tandem pipe roller plus string roller
The tandem pipe plus string roller combines the advantages and characteristics of pipe and string rollers. It compacts the soil transversely, providing superior load-bearing capacity and enhanced lump crushing compared to the individual component rollers. The front pipe roller compacts the soil surface, while the following string roller cuts and breaks up remaining lumps and clods. Additionally, tandem rollers offer improved leveling of the cultivation surface, facilitated by a special pendulum system at the roller mounting beams. This system enables precise terrain adaptation, eliminating hills and holes in the field. It also promotes the release of excess soil and crop residues, preventing roller clogging.
Tandem pipe roller
The tandem pipe roller features two 400 mm diameter pipe rollers positioned sequentially. Functionally, it mirrors the single pipe roller but with enhanced performance. It enhances soil transversely, improving both the machine's load-bearing capacity and surface compaction compared to the single version. Furthermore, tandem rollers provide superior surface leveling due to a specialized pendulum system at the roller mounting beams. This system enables precise terrain adaptation, preventing the formation of hills and holes after the machine passes. Additionally, this tool helps release excess soil and crop residues, preventing clogging.
Tandem U-ring
The tandem U-ring roller features two 540 mm diameter U-ring rollers positioned sequentially, allowing the intermeshing rings to clean each other of excess soil and crop residues, thereby preventing stones from lodging between them. The gap between the rows of rollers is adjustable. Functionally similar to a single U-ring roller, the tandem version delivers a significantly enhanced performance. It refines soil in strips, offering superior load-bearing capacity and surface compaction. Additionally, the tandem rollers provide better leveling of the cultivation surface, facilitated by a special pendulum system on the roller mounting beams. This system ensures precise terrain adaptation, preventing the formation of hills and holes. The roller effectively releases excess soil and crop residue, preventing clogging. This tool is recommended for all soil types and conditions and is highly versatile. It is particularly suited for trailed machines with the drive axle positioned in front of the roller.
Tandem V-ring
The V-ring tandem roller features two 600 mm diameter V-ring angle rollers positioned consecutively, allowing the interlocking rings to clean each other from excess soil and crop residues, thereby preventing stones from getting caught between them. The gap size between the roller rows is adjustable. This roller functions similarly to a single V-ring roller but delivers enhanced performance. It conditions the soil in strips, offering improved load-bearing capacity and deeper compaction than the single version. Tandem rollers also provide superior leveling of the cultivation surface through a specialized pendulum system on the mounting beams, which enables precise terrain adaptation and prevents the formation of hills and holes. This tool effectively releases excess soil and residues, reducing clogging, and is recommended for medium to heavy soils with few stones. It is a versatile tillage tool, particularly suitable for trailed machines with the drive axle located in front of the roller.
ORION prismatic roller
The ORION prismatic roller is primarily utilized in pre-sowing cultivation. The rings, with a diameter of 500 mm, clean each other during operation. The design of the ring protrusions prevents soil from adhering, and the cast iron roller, being one of the heaviest, significantly enhances soil loosening before sowing. The sharpened tines provide an excellent substrate for seed development and water absorption. When rolled before sowing, the soil achieved is optimal for water absorption, with fine soil in the seed layer and clods on top, protecting the seeds from wind erosion, damage, and overheating. Additionally, the ORION roller is used for meadow and grassland care and combating the corn borer. It is ideal for early spring sowing, restoring soil integrity, and stimulating tillering. When used on stubble fields, the roller encourages the germination of volunteer rapeseed and weeds.
Spiky roller
A double spiked roller with a diameter of 560 mm features evenly distributed special spikes on two parallel thick tubes. These spikes are designed to pass by each other, facilitating mutual cleaning and allowing the free flow of organic matter, soil, and stones. The roller is also available with forged spikes made of high-quality steel. The level difference between the two rollers can be adjusted. It is recommended for heavy and medium soils that require breaking up lumps to prepare for sowing. The spiked roller efficiently crushes soil and residual plant matter, enhances soil fertility, and improves soil air-water conditions, promoting better root development. This roller is particularly recommended for use with subsoiling or chisel plowing
Mulching roller
The machine equipped with a mulching roller is configured for post-harvest cultivation. It is utilized in stubble cultivation as an additional roller, operating in tandem with the second rear roller. Its design, 500 mm diameter, and tines forming 4 spiral rows on the axis ensure effective mixing of crop residues. It crushes plant residues, leaving a loosened soil surface. The roller is intended for crops such as rapeseed, cereals, and, primarily, corn, preparing the soil for sowing in mulch. The roller’s working depth is independently set relative to the roller behind it. Adjustments are made quickly, accurately, and continuously using a crank. This roller aggressively mixes soil behind the straw in deeper layers, crushes clods, and maintains soil quality comparable to pre-sowing conditions. The mulching roller, due to its numerous tines and spiral arrangement, matches the efficiency and quality of tandem rollers. The single mulching roller from Rolmako operates more efficiently than most double rollers.
Other cultivating rollers are used as the primary cultivation tool
Cambridge roller
Cambridge rollers are available in diameters of 530 mm or 600 mm. They are engineered for supplementary soil cultivation prior to sowing, particularly in challenging dry conditions. Cambridge rollers are utilized to level surfaces, crush clods, and restore soil capillarity, and can also be employed post-sowing. This method of cultivation enhances the uniformity of emergence and accelerates vegetation. Field leveling and clod breaking improve seed-soil contact, influencing emergence uniformity, moisture retention, soil erosion reduction, and structure improvement. These rollers are effective for post-harvest cultivation to expedite straw and plant residue decomposition and promote the germination of scattered seeds, including weed seeds. They are also applicable to grasslands.
Campbell roller
The Campbell roller is designed for pre-sowing cultivation. It is equipped with standard cast iron rings with a diameter of 700 mm, optionally larger. The significant mass, diameter, and cutting angle of the rim deliver excellent results, particularly on heavy soils, by crumbling and compacting the top soil layers. This process enhances germination and reduces soil water evaporation. The Campbell roller comprises narrow smooth rings spaced at intervals of approximately a dozen centimetres on the axis, which, under their own weight, penetrate the loosened soil and press the deeper, less crumbled furrow layers to the subsoil, without compacting the top layer. The Campbell operates in depth, expediting soil settlement after ploughing or incorporating green mass. An advantage of this roller is its low pulling force requirement. This procedure significantly accelerates sowing and enhances the quality and condition of various field crops.
Knife roller
The knife roller is designed for use in a tandem arrangement in ProCut and TurboCut machines, or as a single unit as an additional front section of tillage machinery. It comprises a cutting rotor with a diameter of 375 mm. This tool is specifically engineered for stubble fields following the harvest of rapeseed, soybeans, sunflowers, corn, and corn silage, as well as for shredding cover and catch crops. The double-sided knives used by Rolmako enable the cultivation of twice the area with one set of working elements. Additionally, knives with a spiral structure are available, providing an enhanced cutting and mixing effect, known as a cross cut, under specific conditions. The knife roller's function is to facilitate the formation of a lumpy soil structure and intensive shredding of crop residues. It efficiently handles high catch crops and stubble, and its use minimizes the number of required working passes.
Summary
Choosing the appropriate tillage roller for a tillage machine is a complex task for a farmer, with significant implications for the efficiency and effectiveness of fieldwork. Depending on soil specifics, crop type, and desired outcomes, the farmer’s decision must aim for optimal results.
The primary factor to consider is the type of soil involved. Soil can be light, heavy, stony, clayey, or sandy, each necessitating a different approach. For instance, clayey soil may benefit from a roller with sharp edges to break up clods, whereas light soil might require a roller with wide elements for compaction.
Another critical consideration is the type of cultivation being performed, whether sowing, fertilizing, or mixing plant residues. For example, sowing may require a roller with a smooth surface for even immersion and proper covering, while mixing plant residues could benefit from a roller with tines for effective breakdown of organic material.
Additionally, tillage rollers can influence environmental protection. Some rollers help retain surface water, vital in erosion-prone areas, while others maintain soil moisture, beneficial in arid regions.
Before making a final selection, a farmer should gather comprehensive information on various rollers available in the market. Consulting experts such as Rolmako representatives or agricultural advisors can provide valuable insights.
In summary, selecting a tillage roller for a tillage machine is a crucial and challenging task for a farmer. Considerations must include soil type, crop type, and environmental protection. A well-informed choice can lead to significant benefits, including improved field results, increased efficiency, and land protection. If further assistance is needed, we encourage direct contact with our advisors at Rolmako distribution points. Our specialists are available to provide guidance and present the pros and cons of various rollers.