20T-30-00071 ʻāpana Excavator pc40-7 Track Roller

ʻO ka huila kaumaha PC40-7 he mea chassis no nā mea ʻeli liʻiliʻi, ʻo ka hana nui ke kākoʻo i ke kaumaha o ka mīkini a alakaʻi i ke ala e ʻōwili pololei. Hana ʻia ia me ke kila pale ʻaʻahu, e like me 50Mn a i ʻole 40MnB, me ka paʻakikī o ka ʻili a hiki i ka HRC48-54 a me ka hohonu o 4mm-10mm e hōʻoia i ke kūpaʻa maikaʻi a me ka hiki ke amo.