ʻO ka excavator he mīkini hana nui i hana ʻia no ka ʻeli ʻana i ka honua me kāna bākeke e hana i nā ʻauwaha, nā lua a me nā kumu.He mea nui ia o nā kahua hana kūkulu nui.

Hoʻolālā ʻia nā Excavators e lawelawe i nā ʻano hana like ʻole;no laila, hele mai lākou ma nā ʻano nui.ʻO nā ʻano mea hoʻoheheʻe maʻamau, ʻo ia nā mea kolo, nā mea ʻeli laina huki, nā mea hoʻoheheʻe suction, ka hoʻokele skid, a me nā mea ʻeli lōʻihi.

Hoʻohana nā Excavators i nā ʻano mea hoʻopili hydraulic e lawelawe ana i nā kumu like ʻole.Ma waho aʻe o kahi bākeke, ʻo nā mea hoʻopili maʻamau ʻē aʻe he auger, breaker, grapple, auger, kukui, a me ka mea hoʻohui wikiwiki, ʻo nā ʻāpana nui loa he slewing bearing.

Hiki i ka excavator ke hoʻololi i ka hema a me ka ʻākau i ka wā o ka hana, ʻaʻole hiki ke hana me ka ʻole o ka slewing bearing.ʻO ka slewing bearing kahi mea nui o ka mīkini slewing.Hoʻohana nui ʻia ka excavator slewing bearing e kākoʻo i ka nui o ke kino kaʻa o luna a lawe i ka ukana hana.
ʻO ka slewing bearing o ka excavator ka hapa nui o ka hoʻohana ʻana i ke ʻano o loko o ka lālani hoʻokahi lālani slewing bearing ʻehā i ka wā e hoʻopili ai i ka pōleʻa, a hoʻohana i ka hoʻopau ʻana i nā niho.