Track rollers are compatible with CAT E200B, E215, E240, E323 and E325 excavators. High-grade alloy steel processed by deep quenching brings excellent anti-abrasion capacity amid rigorous construction conditions. Premium floating seals isolate sediment to prevent oil seepage, conforming to OEM sizes for quick replacement. Supplied directly by Tianjin Longdong at competitive factory rates, custom OEM marking service is accessible for global purchasers.