N'ime afọ gara aga, iji kreenị dị egwu dị egwu gburugburu ụwa bụ saịtị a na-adịghị ahụkebe.Ihe kpatara ya bụ na ọrụ chọrọ ibuli elu karịa tọn 1,500 dị ole na ole ma dị anya n'etiti.Akụkọ dị na mbipụta February nke American Cranes & Transport Magazine (ACT) na-enyocha mmụba nke igwe igwe ndị a na-abawanye taa, gụnyere ajụjụ ọnụ nke ndị nnọchi anya ndị ụlọ ọrụ na-ewu ha.

Ihe atụ mbụ

Igwe mega mbụ batara n'ahịa n'etiti ngwụcha afọ 1970 ruo mmalite 1990s.Ndị gụnyere Versa-Lift nke Deep South Crane & Rigging na Transi-Lift sitere na Lampson International.Taa enwere ụdị kreenụ iri abụọ nwere ike ibuli n'etiti tọn 1,500 na 7,500, yana ọtụtụ ọdịda na nso 2,500 ruo 5,000.

Liebherr

Jim Jatho, onye njikwa ngwaahịa lattice boom crawler dị na US nke Liebherr na-ekwu na mega cranes abụwo isi ihe na gburugburu petrochemical na ụfọdụ n'ime nnukwu ámá egwuregwu.Igwe kreenụ Liebherr kacha ewu ewu na United States bụ LR 11000 nwere ikike 1,000-ton.LR 11350 nwere ikike 1,350-ton nwere ọnụnọ zuru ụwa ọnụ siri ike yana ihe karịrị ụdị 50 na-adịgide adịgide, ọkachasị na Central Europe.A na-eji LR 13000 nwere ikike 3,000-ton na ebe isii maka ọrụ ike nuklia.

Lampson International

Dabere na Kennewick, Washington, Lampson's Transi-Lift mega crane rụrụ arụ na 1978 ma na-aga n'ihu na-ewepụta mmasị taa.Ụdị LTL-2600 na LTL-3000 nwere ikike ibuli 2,600 na 3,000-ton enwetala ọchịchọ maka ojiji na ọrụ akụrụngwa yana ụlọ ọrụ ọkụ, ama egwuregwu, na ihe owuwu ụlọ ọhụrụ.Ụdị Transi-Lift nke ọ bụla na-etu obere akara ukwu na nhụsianya pụrụ iche.

Tadano

Mega cranes esoghị na Pọtụfoliyo Tadano ruo 2020 mgbe enwetara Demag ha mechara.Ugbu a ụlọ ọrụ ahụ na-emepụta ụdị abụọ na ebe mmepụta ha na Germany.Tadano CC88.3200-1 (nke bụbu Demag CC-8800-TWIN) nwere ikike ibuli 3,200-ton, yana Tadano CC88.1600.1 (nke bụbu Demag CC-1600) nwere ikike ibuli 1,600-ton.A na-eji ha abụọ eme ihe n'ebe dị gburugburu ụwa.Ọrụ na-adịbeghị anya na Las Vegas kpọrọ oku CC88.3200-1 iji tinye mgbanaka 170-ton n'elu ụlọ elu nchara nchara na MSG Sphere n'ọdịnihu.Mgbe emechara ya na 2023, ebe egwuregwu ahụ ga-anọdụ ndị na-ekiri 17,500.