Melyantsov, P. 2025. INDICATORS OF TECHNOLOGICAL SUITABILITY OF THE TRACTOR’S SEPARATE AND UNIT HYDRAULIC SYSTEM DURING MAINTENANCE. Sworld-Us Conference proceedings. 1, usc31-00 (May 2025), 19–26. DOI:https://doi.org/10.30888/2709-2267.2025-31-00-036.