I-SD5K luhlobo lwethrekhi yebhuldozer epheleleyo enqunyanyiswe ngokungagungqiyo, inqanaba lolawulo lombaneⅢ,iisekethe ezimbini zolawulo lokuqhuba inkqubo yokuqhuba, ukulawulwa kombane ukuvalwa komthwalo wokuthumela inkqubo ye-液压。