Intshukumo enikwa yijenereyitha yamandla ye-excavator idluliselwa kwikhonkco lethrekhi yi-motor ebalekayo kunye ne-sprocket rim. Amazinyo e-sprocket rim kufuneka alingane kakuhle nekhonkco lethrekhi kwaye akwazi ukuqhuba ikhonkco ngokuthe chu. Nokuba ikhonkco linwebeka ngenxa yokuguguleka kwephini kunye ne-bushing yalo, amazinyo kufuneka alingane kakuhle. Ngokwesiqhelo, i-sprocket rim ifumaneka ngasemva kwesixhobo sokusebenza se-excavator.