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In the course of research aimed at determining and ensuring the optimal range of operating tempera-tures for transmission units of self-propelled forest vehicles, the task was set to determine the ther-mophysical properties of materials for the manufacture of composite heat-insulating casings. This paper presents the most suitable method for solving the problem of two temperature-time intervals.

The paper studies the possibilities of using thermal diagnostics complexes to determine the performance of mounted hydraulic equipment of forest machines. The practical results of determining the performance of individual units of the hydraulic system are given. A qualitative assessment of the effectiveness of the applied method of thermal diagnostics is given.

The article uses the possibility of using the technology of creating a wear-resistant pavement using recycled plastic modified by a significant magnetic field. Examples of the use of promising technol-ogies for obtaining high-strength pavement are given.