摘要:This article summarizes the results of research of the work of Russian universal mobile grain cleaning complex. The problem of grain processing and seed preparation can be solved by using a mobile grain cleaning complex, which allows to carry out all types of cleaning (preliminary, primary and secondary). Operational and technological assessment of universal mobile grain cleaning complexes was carried out in the farms of Voronezh region of Russia. The results of the tests showed that the mobile grain cleaning complexes of universal type MGC-30U, MGC-60U and MGC-100U on all operational and technological indicators, quality indicators of technological process and reliability indicators meet the requirements of Russian standards and will find application in small and medium-sized businesses specializing in the cultivation of cereals crops.