Excavator Undercarriage Parts PC20 PC30 PC40 Carrier Roller For KOMATSU
1. The design of the gap ensures lubrication of the worn surface. 2. Special steel shell not only prevents deformation but also perfectly combines with pressure. 3. A good heat treatment can ensure the depth of hardening and improve wear resistance, while a good support structure prevents deformation. 4. High surface hardness and standard process can guarantee the service life of iron/copper sle.