TY CONF TI EVALUATION OF VIBRATION LOAD ON THE SKELETON OF THE URALETS-254 MINI TRACTOR KW vibration load KW frame KW evaluation KW smooth running KW tire stiffness KW mini tractor KW Uralets-254 KW elastic properties KW tire air pressure JO RUSSIAN AUTOMOTIVE INDUSTRY: PROBLEMS AND PROSPECTS AU Muratkin, S.E. AU Tatarincev, V.Y. AU Koljadin, P.A. AU Artyomov, A.V. AU Pryadkin, V.I. PY 2025 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov