KM2633 digger parts for Caterpillar upper roller Material: 50Mn Part Number: KM2633 Application: For Excavator Undercarriage Color: Black Type: Construction machinery parts Condition: 100%New Advantage: Wear-resisting / long-lasting parts Warranty: 1 Year Echoo is a manufacturer of mini excavator undercarriage parts with well-equipped testing facilities and strong technical force. Echoo parts are extensively used in construction machinery and widely recognized and trusted by users. Welcome new and old customers from all over the world to contact us for future business relationships and mutual success!