Izingxenye ze-undercarriage zihlanganisa ama-track roller, amarola enkampani yenethiwekhi, i-idler, i-sprocket kanye nokuhlanganiswa kwezicathulo zethrekhi. Njengezingxenye ezidingekayo ekusebenzeni kwe-excavator evamile, zixhunywe ekusebenzeni nokusebenza kohambo lwe-excavator. Lapho zisebenza nganoma ibuphi ubude besikhathi, lezi zingxenye ziguga ngezinga elithile. Uma uthatha imizuzu embalwa ukwenza ukunakekelwa kwansuku zonke kulezi zingxenye, unganweba impilo yazo yesevisi. Wazini ngokulungiswa kwe-undercariage?