Akụkụ elu nke igwe ahụ nwere ihe e ji echekwa ihe na valvụ urukurubụba, nke nwere ike ime ka ihe na-ejupụta n'enweghị ibuli mkpuchi ahụ elu, ma melite arụmọrụ ọrụ. Igwe ahụ na-eji nrụgide hydraulic ụdị piston eme ihe. Mgbe ọ gbanweere nrụgide ọrụ, n'okpuru ọrụ nke hydraulic cylinder, ihe dị na silinda ahụ ga-emepụta nrụgide wee wepụta ihe ahụ. Ọ dabara adaba maka ọtụtụ ihe dị iche iche.
| Ụdị nlereanya | JHYG-30 | JHYG-50 |
| Olu ịwụ ihe onwunwe (L) | 30 | 50 |
| Ike zuru oke (kw) | 1.5 | 1.5 |
| Dayameta njupụta (mm) | 12-48 | 12-48 |
| Nha (mm) | 1050x670x1680 | 1150x700x1760 |