Problems of vibration safety of operator of industrial tractor

Registration of dynamic processes in the context of real operation gave the researches opportunity to find the source of low-frequency vibration impact driven by rotation of caterpillar track in supporting frame of by-pass which is, according to biomedical researches, the most unfavorable for the body of the operator. The linear discrete model of the “Antivibration seat–Pelvis–Body–Head” system is studied as well as the impact of the dynamic parameters of antivibration seat on the level of vibrational load of the operator.