Cov cuab yeej ua haujlwm yog cov khoom tseem ceeb ntawm hydraulic excavators. Tam sim no, SY series excavators tau nruab nrog cov cuab yeej ua haujlwm backhoe, uas yog siv los khawb av hauv qab qhov chaw nres tsheb. Txawm li cas los xij, nws tseem tuaj yeem khawb av hauv qab qhov siab tshaj plaws txiav qhov siab. Ntxiv nrog rau kev khawb pits, trenching, thiab chaw thau khoom, nws tuaj yeem ua haujlwm yooj yim ntawm qhov chaw ua haujlwm. Excavation operations yog tsim rau excavating av ntawm qib I mus rau IV, thiab rau qib V thiab siab dua, hydraulic hammers los yog blasting txoj kev yuav tsum tau.
Lub backhoe ua hauj lwm ntaus ntawv muaj ib tug boom, ib tug stick, thoob, rocker, ib tug txuas pas nrig, thiab hydraulic pipelines rau cov ua hauj lwm ntaus ntawv, xws li boom cylinders, stick cylinders, thiab thoob cylinders.
