Nut 151.58.113 / 151M.58.113 is used in the towing device of HTZ tractors and is designed to fix the elements of the hydraulic hook, ensuring reliable operation of trailed equipment.
It is installed in a hydraulic hook (housing with brackets) 151M.58.013 / 151.58.013 and works together with other parts of the coupling mechanism. To prevent self-loosening, the nut is usually used with a lock washer 151M.58.116. The unit takes up significant loads that arise when towing and working with trailed units.
The nut is compatible with both wheeled and tracked HTZ tractors, and is installed on hydraulic hooks with long and short hook designs, equipped with a latch.
Used on tractors HTZ T-150K, T-151K, T-156, HTZ-17221, HTZ-159K, HTZ-242K, HTZ-245K, HTZ-248K, HTZ-249K, as well as on tracked tractors T-150G, HTZ-181 and other equipment with similar towing device.