Abstract
The article defines the influence of the traction resistance of the machine-tractor unit working tool on the weight distribution of the tractor along the running system axles. Depending on the type of field work, the resistance force of tools aggregated with a tractor has a different value, accordingly, the tractor has a different weight distribution along the axles and, thus, different ground pressure. An increase in pressure on the soil leads to additional costs for tillage, and in the future to a decrease in agricultural production efficiency. The article presents a mathematical model for determining the reactions of the soil, and, accordingly, the pressure of tractor engines on the ground, depending on the structural parameters of the tractor, its adequacy estimation, and an example of calculating the weight distribution along the tractor axles.
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