Ọganihu telescopic bụ ngwa ngwa maka igwe injinia, nke enwere ike iji na-egwupụta ihe, ndị na-ebu ibu, cranes na akụrụngwa ndị ọzọ.Isi ọrụ ya bụ ịgbatị radius na-arụ ọrụ nke akụrụngwa, melite arụmọrụ ọrụ na mgbanwe nke akụrụngwa.
Excavator hydraulic telescopic ọganihu na-ekewa n'ime mpụga telescopic ọganihu na esịtidem telescopic ọganihu, mpụga telescopic ọganihu na-akpọ sliding ọganihu, telescopic ọrịa strok n'ime anọ mita;Ime telescopic ọganihu a na-akpọ gbọmgbọm ọganihu, telescopic strok nwere ike iru ihe karịrị iri mita ma ọ bụ ruo iri abụọ mita.