ʻO Grab Bucket kahi mea hana kūikawā no nā cranes e hopu i ka cargo bulk bulk. ʻO ka wahi pahu pahu i hoʻohuiʻia iʻelua aʻoi aku paha i nā'āpana a iʻole nā mea i hoʻopiliʻia a paʻa paha. I ka hoʻokaʻaʻana, pani nā kāka i nā polū i nā kīwaha, a hopuʻia ka waiwai i loko o ka pahu pahu. Ke wehe nei, aia nā'āpana o nā'āpana i ka pile waiwai. Wehe 'ole ia malalo o ke Aupuni, ua puliki nei ka waiwai ma ka pii ukana. ʻAʻole pono ka weheʻana o ka pae'āinaʻo ka paila jaw by ka mīkini kīwī o keʻano hana mecharys koʻikoʻi,ʻaʻole hiki ke hoʻokō i ka hoʻomaikaʻiʻana a me ka weheʻana. ʻO ia ka mea nui ma mua o ka mea lawe kaʻa uila ma luna o nā awa. E like me nāʻano hana hana, hiki ke hoʻokaʻawaleʻia i loko o nā huaʻai o loko, nā mea kanu cal, cuin scrib, etc.
Hiki ke hoʻokaʻawaleʻia ka mea kanu i nā'āpanaʻelua e like me keʻano o ke kaʻa:ʻO ka crib a me ka mīkini kālaiʻia. Ua hoʻolakoʻia ka mea hoʻonani Hydraulic iā ia iho me kahiʻano wehe a me ke paniʻana, a ua holo muaʻia e kahi cylinder hydraulic. Ua kāheaʻia ka mea hoʻonaninani hydraulic i nā papa o nā papa he nui i kapaʻiaʻo ia he claw hydraulic. Ua hoʻohana nuiʻia nā pākeke kīwī Hydraulinic i nā hana kūikawā hydraulinic, e like me nā mea e like ai me ka weheʻana o ka helehelena o ke kauʻana a me ka paniʻana ma kaʻaoʻao o ke kauʻana. Wahi a nā hiʻohiʻona hana, hiki iā ia ke hoʻokaʻawaleʻia i loko o kahi pā pāluaʻelua a me kahi pahu kaula hoʻokahi.
ʻO ka hana maʻamauʻole i ka hoʻohanaʻana o nā brackets grab brackets i kauʻia. Wahi a ka nānāʻana o kaʻikepili kūpono, hiki ke loaʻa ma waena o nā mea hanaʻole o nā kīwaha, e pili ana i ka 40% o ka 40% o nā mea kūʻai aku ma luna o nā kihi o nā'āpana. Ma kahi o 30%, a ma kahi o 30% o ka nalowale o ka hana hana ma muli o ka lole pulley a me nā'āpana'ē aʻe. Hiki keʻike i ka hoʻomaikaʻiʻana i ka pale kūloko o ka pahu pahu a me ka puhiʻana i ka pale o ka pōpoki I mea e hoʻomaikaʻi ai i ke olaʻoihana o ka pōpoki, koho i kā mākouʻoihana i nā hana maʻamau, a me nā hana hoʻohālikelike o kaʻaukā loea.