Yes. After querying the official website of Renda Machinery, we learned that Renda corn harvesters have chain rails, and customers who modified the Renda corn harvester triangular chain rail assembly reported that it was good at preventing sinking, and the buffer spring of the triangular half chain rail tensioning device had a certain The preload amount generates pretensioning force in the crawler track. Its function is to generate sufficient traction without affecting the meshing of the crawler pin and the driving gear teeth due to slight external force when moving forward.