An industrial experiment and simulation modeling have been conducted in order to study process optimization possibilities. Regularities of multiphase agricultural technological process functioning on the example of harvesting transport system were the object of the study. The regularities appearing during multiphase agricultural technological process functioning in agricultural organizations and their associations have been studied. The hypothesis has been proved that this system can be

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... d with mathematical simulation. This optimization can result in parameter and operational system failures decrease and it efficiency increase.