1. Tacaíocht a thabhairt do mheáchan an rian agus an chomhlachta feithicle chun a chinntiú go bhféadfaidh an rian teagmháil a dhéanamh leis an talamh go réidh
3. Éifeacht damping áirithe.
The design and layout of the roller has an important impact on the performance and life of the track chassis, so the wear resistance of the material, the strength of the structure and the accuracy of the installation need to be considered in the design and manufacturing process .
Tá cuideachta YIKANG speisialaithe i ndéantúsaíocht páirteanna breise le haghaidh trucail dumpála crawler, lena n-áirítear sorcóir rian, sprocket, sorcóir barr, idler tosaigh agus rian rubair.