The purpose of the article is to substantiate the applicability, technological effectiveness, and stability of the gentle fractional pneumatic-vibrational seed processing technology “Strong Seed” when implemented in a mobile format. The study aims to determine whether the transition from stationary high-precision seed lines to compact mobile systems can preserve the quality parameters of seed material, ensure stable fractionation performance, and provide high adaptability to field conditions. Additionally, the research seeks to identify technological patterns influencing the quality indicators of processed seeds and the operational stability of the mobile line under experimental load. The conducted work included a full experimental assessment of the mobile seed processing line equipped with pneumatic-vibrational modules that implement fraction-based separation under reduced mechanical impact. During the trials, the authors evaluated changes in grain–grain and grain–impurity interactions, separation stability across various fractions, the influence of airflow and vibration parameters, and the sensitivity of the system to fluctuations in source material quality. A detailed analysis was performed on the behavior of biological and passive impurities, distribution of seed material across fractions, and the degree of sorting accuracy achieved under different modes. The study established a set of characteristic technological patterns governing stable operation of the mobile line, such as the consistency of fraction boundaries, the effect of air channel geometry on separation quality, and the role of synchronized air-vibration fields in maintaining gentle handling conditions. The obtained results demonstrate that even under mobile deployment constraints, the system ensures minimal seed damage, high uniformity of separation, stable throughput, improved germination potential, and superior removal of lightweight, damaged, and biologically compromised particles. The conclusions confirm that the mobile implementation of the “Strong Seed” pneumatic-vibrational technology fully preserves the advantages previously demonstrated in stationary industrial systems. The results verify that the mobile line maintains technological precision, gentle grain handling, and consistent separation quality, meeting the requirements for high-class seed material. Identified technological regularities explain the stable performance of the system and validate the feasibility of using mobile pneumatic-vibrational equipment for decentralized high-quality seed production. The findings open prospects for further optimization of mobile seed processing systems, development of adaptive control algorithms, and expansion of the technology to a wider range of crop species.

mobile processing line, seeds, soft processing technology, seed cleaning, grading, seed separation

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