Kubatsira kukuru kweanochera mapedhi erabha kugona kwavo kudzikisa zvakanyanya ruzha uye kudedera zvichienzaniswa nedzimwe nzira dzesimbi. Michina inorema yakashongedzerwa nerabha pads yekuchera masisitimu inoshanda chinyararire, iyo yakakosha kune nzvimbo dzekuvaka dzemadhorobha dzine mitemo yakasimba yeruzha. Iyo rabha yakasikwa yekunyorovesa zvimiro inotora vibrations, inosimudzira mushandisi kunyaradza uye kuderedza kuneta panguva refu mashifiti. Izvi zvinoitaexcavator track padssarudzo yakanakisa yemapurojekiti padyo nezvipatara, zvikoro, kana nzvimbo dzekugara. Pamusoro pezvo, iyo yakaderedzwa vibration inoderedza kushushikana pamushini wepasi pekutakura, ichiwedzera hupenyu hwezvimwe zvinhu zvakaita sema roller uye sprockets. Kune makondirakiti ari kutsvaga kuvandudza mamiriro epabasa uye kutevedzera zviyero zvezvakatipoteredza, mapedhi ekuchera akagadzirwa kubva kumhando yepamusoro rabha ndiyo mhinduro yakakwana.

Paunenge uchishanda panzvimbo dzakatetepa senge tara, migwagwa, kana pasi mukati, mapedhi erabha anochera anodzivirira kukuvara kwaizoitika nesimbi. Kusaita hunhu hwerubber pads excavatorinova nechokwadi chekuti nzvimbo dzakapedzwa dzinoramba dzakasimba, kubvisa kugadzirisa kunodhura kana kukwidziridzwa. Izvi zvinoita kuti mapedhi ekuchera akwane kumapurojekiti ekanzuru, zvigadziriso zvezviitiko, uye zvivakwa zvemaindasitiri uko kuchengetedza pasi kwakakosha. Kusiyana nesimbi digger track pads, mavara erubha anogovera huremu zvakaenzana, kuderedza kudzvanywa kwepasi uye kudzivirira indentations. Mazhinji makambani ekugadzira minda uye anoshanda anofarira mapedhi ekuchera kuitira kugona kwavo kushanda panzvimbo dzakaoma pasina kusiya mamakisi kana kukonzera kukanganisa kwechimiro.