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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Siberian Journal of Life Sciences and Agriculture</journal-id><journal-title-group><journal-title xml:lang="en">Siberian Journal of Life Sciences and Agriculture</journal-title><trans-title-group xml:lang="ru"><trans-title>Siberian Journal of Life Sciences and Agriculture</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-6649</issn><issn publication-format="electronic">2658-6657</issn><publisher><publisher-name xml:lang="en">Science and Innovation Center Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">371003</article-id><article-id pub-id-type="doi">10.12731/2658-6649-2025-17-6-2-1587</article-id><article-id pub-id-type="edn">BWVADO</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Traction characteristics of tires of various designs for the complete set of mobile propulsion devices of the fifth traction class</article-title><trans-title-group xml:lang="ru"><trans-title>Тяговые показатели шин различного конструктивного исполнения для комплектации движителей мобильных энергетических средств пятого класса тяги</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9152-5851</contrib-id><contrib-id contrib-id-type="scopus">57204159481</contrib-id><contrib-id contrib-id-type="researcherid">AIF-4514-2022</contrib-id><contrib-id contrib-id-type="spin">9983-4293</contrib-id><name-alternatives><name xml:lang="en"><surname>Kravchenko</surname><given-names>Vladimir A.</given-names></name><name xml:lang="ru"><surname>Кравченко</surname><given-names>Владимир Алексеевич</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Technical Sciences, Associate Professor of the Department of Food Production Equipment and Technologies</p> <p> </p></bio><bio xml:lang="ru"><p>доктор технических наук, профессор кафедры «Техника и технологии пищевых производств»</p> <p> </p></bio><email>a3v2017@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9228-3313</contrib-id><contrib-id contrib-id-type="scopus">57204646125</contrib-id><contrib-id contrib-id-type="researcherid">ABD-9790-2021</contrib-id><contrib-id contrib-id-type="spin">9684-8955</contrib-id><name-alternatives><name xml:lang="en"><surname>Kravchenko</surname><given-names>Lyudmila V.</given-names></name><name xml:lang="ru"><surname>Кравченко</surname><given-names>Людмила Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Doctor of Technical Sciences, Associate Professor, Head of the Department of Design and Technical Service of Transport and Technological Systems</p> <p> </p></bio><bio xml:lang="ru"><p>доктор технических наук, доцент, заведующий кафедрой «Проектирование и технический сервис транспортно-технологических систем»</p> <p> </p></bio><email>lvkravchenko@donstu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8928-8714</contrib-id><contrib-id contrib-id-type="scopus">57211759742</contrib-id><contrib-id contrib-id-type="spin">3194-9952</contrib-id><name-alternatives><name xml:lang="en"><surname>Melikov</surname><given-names>Izzet M.</given-names></name><name xml:lang="ru"><surname>Меликов</surname><given-names>Иззет Мелукович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Candidate of Technical Sciences, Associate Professor of the Department of Technical Operation of Cars</p> <p> </p></bio><bio xml:lang="ru"><p>кандидат технических наук, доцент кафедры «Техническая эксплуатация автомобилей»</p> <p> </p></bio><email>izmelikov@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1981-6128</contrib-id><contrib-id contrib-id-type="spin">8712-8653</contrib-id><name-alternatives><name xml:lang="en"><surname>Gasanova</surname><given-names>Elnara S.</given-names></name><name xml:lang="ru"><surname>Гасанова</surname><given-names>Эльнара Саладиновна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Candidate of Philological Sciences, Associate Professor of the Department of Foreign Languages</p> <p> </p></bio><bio xml:lang="ru"><p>кандидат филологических наук, доцент кафедры «Иностранные языки»</p> <p> </p></bio><email>elngas@yandex.ru</email><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Don State Technical University</institution></aff><aff><institution xml:lang="ru">Донской государственный технический университет</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Dagestan State Agrarian University named after M.M. Dzhambulatov</institution></aff><aff><institution xml:lang="ru">Дагестанский государственный аграрный университет имени М.М. Джамбулатова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-12-30" publication-format="electronic"><day>30</day><month>12</month><year>2025</year></pub-date><volume>17</volume><issue>6-2</issue><issue-title xml:lang="ru"/><fpage>579</fpage><lpage>596</lpage><history><date date-type="received" iso-8601-date="2026-01-20"><day>20</day><month>01</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Kravchenko V.A., Kravchenko L.V., Melikov I.M., Gasanova E.S.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Кравченко В.А., Кравченко Л.В., Меликов И.М., Гасанова Э.С.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Kravchenko V.A., Kravchenko L.V., Melikov I.M., Gasanova E.S.</copyright-holder><copyright-holder xml:lang="ru">Кравченко В.А., Кравченко Л.В., Меликов И.М., Гасанова Э.С.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rcsi.science/2658-6649/article/view/371003">https://journals.rcsi.science/2658-6649/article/view/371003</self-uri><abstract xml:lang="en"><p>Background. Tire properties are the main factors determining traction and agricultural technological performance of wheeled mobile energy vehicles.</p> <p>Purpose. The purpose of the research is to study the traction indicator efficiency of large-sized tires of various designs for equipping the running system of mobile power equipment of the fifth traction class.</p> <p>Materials and methods. Traction efficiency, as a universal indicator of the operation efficiency of a wheeled mobile energy machine, is largely determined by the pneumatic tire design of a running system. Therefore, serial tires 30.5R-32 and 33R-32, tires with optimized shell reinforcement 30.5R-32M and 33R-32M, and tires of experimental (diagonal-parallel) design 33DP-32 were used as objects of research.</p> <p>The research of tires designed for tractors’ driving wheels of the fifth traction class, in order to establish their traction and energy parameters, was carried out experimentally by testing them on a specially manufactured tire test bench.</p> <p>Traction properties tests of tires (at various air pressures in them) were carried out on different supporting bases: concrete, stubble of grain ears, and a field for sowing.</p> <p>Results’ confirmation was obtained during traction tests of the K-701M tractor when its running system was equipped with tested tires.</p> <p>Results. As a result of the traction tests carried out on a tractor of the fifth traction class (K-701M), the undoubted advantage of installing tires with optimal internal reinforcement parameters on its driving wheels over equipping them with mass-produced tires was established.</p> <p>All tires tested on a concrete base showed almost the same traction characteristics, but still the 30.5R-32M, 33R-32M and 33DP-32 tires had slightly higher values.</p> <p>On stubble and in the field for sowing, the 30.5R-32M, 33R-32M and 33DP-32 tires showed a higher traction efficiency of 0.03 or more due to a decrease in slipping by 5...16% compared to the production ones. It should be noted that the 33R-32M and 33DP-32 tires have a noticeable advantage in traction performance at both agricultural ranges when setting a reduced intraperitoneal pressure, which is 0.11 and 0.09 MPa for them, respectively, on stubble and 0.09 and 0.07 MPa in the field for sowing.</p> <p>Conclusion. It is proved that the K-701M tractor, which had upgraded and experimental tires installed on the driving wheels, showed a higher (from 7 to 19%) conditional traction efficiency compared to the complete set of its chassis system with serial tires.</p> <p>It was found that the serial tires 30.5R-32 and 33R-32, when tested on a rigid support, showed almost the same traction efficiency. The best traction and energy performance on concrete was shown by the upgraded 33R-32M tires and, especially, the 33DP-32, which showed a traction efficiency of almost 0.84 due to slight slipping (3.2%).</p> <p>At various agricultural farms, the serial tire 30.5R-32 demonstrated the lowest traction performance, while the diagonal-parallel tire 33DP-32 demonstrated the highest traction performance.</p></abstract><trans-abstract xml:lang="ru"><p>Обоснование. Свойства шины являются основными факторами, определяющими тяговые и агротехнологические показатели колесных мобильных энергетических средств.</p> <p>Целью исследования является изучение эффективности тяговых показателей крупногабаритных шин различных конструкций для оснащения ходовой системы мобильных энергетических средств пятого класса тяги.</p> <p>Материалы и методы. Тяговый КПД, как универсальный показатель эффективности эксплуатации колесной мобильной энергетической машины, в значительной степени определяется конструкцией пневматических шин её ходовой системы. Поэтому в качестве объектов исследования были использованы серийные шины 30,5R-32 и 33R-32, шины имеющие оптимизированное армирование оболочки 30,5R-32М и 33R-32М, шины экспериментального (диагонально-параллельного) конструктивного исполнения 33DP-32.</p> <p>Исследования шин, предназначенных для ведущих колёс тракторов пятого класса тяги, для установления их тягово-энергетических показателей проводились экспериментальными методами путём проведения их испытаний на специально изготовленной установке «шинный тестер».</p> <p>Испытания тягово-сцепных свойств шин при различных давления воздуха в них проводили на различных опорных основаниях: бетоне, стерне зерновых колосовых и поле для посева.</p> <p>Подтверждение полученных результатов были получены при тяговых испытаниях трактора К-701М при комплектации его ходовой системы испытанными шинами.</p> <p>В результате проведённых тяговых испытаний трактора пятого класса тяги (К-701М) было установлено несомненное преимущество установки на его ведущие колёса шин с параметрами внутреннего армирования, имеющими оптимальные значения, перед оснащением их шинами серийного изготовления.</p> <p>Все шины при испытании на бетонном основании показали практически одинаковые тяговые показатели, но всё же шины 30,5R-32М, 33R-32М и 33DP-32 имели их значения несколько выше.</p> <p>На стерне и поле для посева шины 30,5R-32М, 33R-32M и 33DP-32 по сравнению с серийными показали в основном за счёт уменьшения буксования на 5…16 % тяговый КПД выше на 0,03 и более. Следует отметить заметное преимущество шин 33R-32M и 33DP-32 по тяговым показателям на обоих агрофонах при установлении пониженного внутришинного давления, которое составляет для них соответственно на стерне 0,11 и 0,09 МПа и на поле для посева 0,09 и 0,07 МПа.</p> <p>Выводы. Доказано, что трактор К-701М, на ведущие колёса которого устанавливались модернизированные и экспериментальные шины, показал более высокий (от 7 до 19 %) условный тяговый КПД по сравнению с комплектацией его ходовой системы серийными шинами.</p> <p>Установлено, что серийные шины 30,5R-32 и 33R-32 при их испытании на жёстком опорном показали практически одинаковое значение тягового КПД. Наилучшие тягово-энергетические показатели на бетоне показали шины модернизированная 33R-32M и, особенно, 33DP-32, показавшая значение тягового КПД почти 0,84 за счёт незначительного буксования (3,2%).</p> <p>На различных агрофонах наименьшие тяговые показатели продемонстрировала серийная шина 30,5R-32, а наивысшие – диагонально-параллельная шина 33DP-32.</p></trans-abstract><kwd-group xml:lang="en"><kwd>mobile energy vehicle</kwd><kwd>propulsion</kwd><kwd>pneumatic wheel</kwd><kwd>tire</kwd><kwd>self-propelled resistance</kwd><kwd>slippage</kwd><kwd>traction efficiency</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>мобильное энергетическое средство</kwd><kwd>движитель</kwd><kwd>пневматическое колесо</kwd><kwd>шина</kwd><kwd>сопротивление самоходу</kwd><kwd>проскальзывание</kwd><kwd>тяговая эффективность</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Godwin, R., Misiewicz, P., White, D., et al. (2015). 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