Excavator roj hmab ncooyog ib feem tseem ceeb ntawm txhua lub tshuab excavator. Lawv ua lub luag haujlwm tseem ceeb hauv kev muab traction, kev ruaj ntseg thiab kev txhawb nqa rau lub tshuab txav mus rau ntau qhov chaw. Roj hmab taug kev pads rau excavators yog ib qho kev xaiv nrov vim lawv cov kav ntev, txo suab nrov, thiab muaj kev cuam tshuam me me rau ntawm txoj kev.
Peb lub tuam txhab tshwj xeeb hauv kev tsim khoom thiab muag cov roj hmab lem thiabexcavator roj hmab khiav blocks. Peb lub Hoobkas muaj tshaj li 8 xyoo ntawm kev paub ntau lawm hauv daim teb no.