Harmonic analysis of the torque of autotractor engines by speed and load modes of operationFarit Khaliullin, Sergey Yakhin, Roman Yakovlev, Azat Nurmiev, Vladimir Medvedev and Airat KhaliullinE3S Web Conf., 515 (2024) 03012DOI: https://doi.org/10.1051/e3sconf/202451503012