Inkqubo yokuhamba ye-excavator yenziwa ikakhulu ngesakhelo somzila, i-assy yokugqibela yokuhamba nge-gearbox, i-sprocket, i-track roller, i-idler, i-track cylinder assembly, i-carrier roller, i-assembly shoe assembly, i-clamp kaloliwe njalo njalo.
Xa i-excavator ihamba, umzimba wevili ngalinye uqengqeleka ecaleni kwendlela, i-motor ehambayo iqhuba i-sprocket, kwaye i-sprocket ijika iphini lomkhondo ukuze iqonde ukuhamba.