... 5.The drift sealing in the drive wheel, track roller and carrier roller can prevent dust from entering the track system, ... (stere)S: 3.7 A: 3.4engine typeSC8D143G2B1Carrier roller number(each side)2Track number (each side)6Track shoe ... SD16, SD22, SD23, SD32, SD42,TY160, TY220, TY230, TY320road roller seriesSR12, SR18, SR20, SR22loader seriesSL30, SL50, SL60undercarriageOur undercarriage parts for ...