The Retracting Piston Spring is designed to apply controlled force to the retracting piston within the planetary gear system, facilitating smooth and precise gear changes during transmission operation. Its precise design ensures accurate and efficient gear engagement and disengagement, contributing to the overall reliability and performance of the transmission. The Spring provides the necessary force for proper gear shifting. Proper functioning of this spring is important for the safety, efficiency, and longevity of heavy machinery transmissions, ensuring that gear changes occur reliably and seamlessly.Attributes: • Withstands the challenging conditions and forces within transmissions.• Spring rate is 12.26 N/mm.• Wire diameter is 2.87mm.• Total coils is 31.• The number of active coils is 29.Applications:The Retracting Piston Spring ensures smooth and accurate gear changes within transmissions, enhancing the overall performance and safety of heavy machinery.