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EXCAVATOR UNDERCARRIER PARTS

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  • Excavator Undercarriage Parts EX55 Front Idler For HITACHI

    Excavator Undercarriage Parts EX55 Front Idler For HITACHI

    Our Idler is made of alkaline phenolic resin sand or water glass sand. The wheel and rail surface is heated by matrix normalizing+medium frequency induction. The surface hardness achievable HRC48-58 and the hardening depth is 4-6mm (HRC45) the above.It has rugged high impact and proper wear resistance.

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