Cov yam ntxwv tseem ceeb ntawm Hydraulic Excavators Ib lub thoob hydraulic excavators yog cov khoom siv ua haujlwm siab tau tsim los ntawm kev siv tshuab xa mus rau pem hauv ntej duav excavators. Lawv yog tag nrho cov tsim los ntawm peb qhov chaw: ua hauj lwm ntaus ntawv, slewing ntaus ntawv thiab khiav ntaus ntawv, thiab cov txheej txheem ua hauj lwm yeej ib txwm zoo tib yam. Qhov sib txawv tseem ceeb ntawm ob qhov lus dag nyob rau hauv qhov sib txawv ntawm cov khoom siv hluav taws xob thiab cov khoom siv ua haujlwm.

Lub hydraulic excavator siv lub kaw lus hydraulic hydraulic (uas yog, siv ntau yam hydraulic Cheebtsam) nruab nrab ntawm lub hwj chim chav tsev thiab cov cuab yeej ua haujlwm ncaj qha los tswj lub xeev cov lus tsa suab ntawm txhua qhov system mechanism, yog li ua haujlwm excavation. Hydraulic excavators tau muab faib ua ob hom: tag nrho hydraulic kis tau tus mob thiab tsis yog tag nrho hydraulic kis