Akụkụ ihe egwu egwu DH300 Carrier Roller

Doosan DH300 ebu rolabụ akụkụ dị mkpa nkeDoosan DH300excavator chassis, sitere na Shandong, China, kwesịrị ekwesị maka Doosan DH300 na usoro ndị na-egwupụta ihe yiri ya. A na-eji 42CrMo / 40Cr rụọ ọrụ n'elu 20 tọn ma ọ bụ C45 / 40Cr n'okpuru 20 tọn, na-emenyụ ma na-ewe iwe site na ọgwụgwọ okpomọkụ pụrụ iche, ike ahụ ruru HRC40. -50, nwere ike dị elu yana nguzogide iyi mara mma.