Chidebe cha Excavator clamshell ndi chida chomwe chimagwiritsidwa ntchito pofukula ndi kusuntha zinthu.Chidebe cha zipolopolo makamaka chimadalira zidebe ziwiri zophatikizidwira kumanzere ndi kumanja kutsitsa zida.Mapangidwe onse ndi
yopepuka komanso yolimba, yokhala ndi mphamvu yogwira kwambiri, mphamvu yotseka yolimba komanso kudzaza kwazinthu zambiri.