
Overview
Lightweight in construction, durable and robust in operation
The U 622 light disc harrow is engineered for small and medium-sized farms, where lower-power tractors are available. Notable features include its compact design, reduced weight, and cost-effectiveness. The unit is distinguished by the mounting of discs on vibrating springs, making it ideal for weak and medium soils. It effectively follows the field surface and mixes crop residues with the soil. Available widths are 2.5 m, 2.7 m, and 3.0 m, with disc diameters of 510 mm or 560 mm.
The small harrow combines high-speed shallow cultivation with effective compaction. A robust spring, measuring 13 mm x 100 mm, allows for aggressive penetration of the discs, adjustment to uneven terrain, and protection of the entire structure from damage. The standard disc hub is based on tapered roller bearings and requires lubrication every 150 hectares for a 3 m working width. Optionally, SKF tapered roller bearings that require maintenance or maintenance-free AgriHub and SKF disc hubs can be installed. During tests on light and medium soils, the machine, based on two rows of discs mounted on a leg that also serves as a safety spring, proved comparable in performance to machines with rubber protection used by the company for many years.
The harrow discs are effective not only in shallow stubble cultivation but also in soil preparation for sowing. The light disc harrow exhibits features that enable it to efficiently mix soil with manure or significant amounts of organic matter. With minimized adjustment and lubrication points, both operation and maintenance are simplified to manageable tasks. Beyond the primary working section— the discs— the cultivation roller is crucial. It sets the working depth of the discs and significantly influences the final cultivation outcome. The machine comes standard with a Ø500 mm pipe roller.
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Contact Details
Email: elynch@suirgarages.ie
Phone: 051 873 689







































