Mochini oa ho epolla ke mochini o moholo oa kaho o matla oa diesel o etselitsoeng ho cheka mobu ka nkho ea oona ho etsa liforo, mekoti le metheo.Ke setsi sa mesebetsi e meholo ea kaho.

Li-excavator li etselitsoe ho sebetsana le mefuta e mengata e fapaneng ea mesebetsi;kahoo, li tla ka mefuta e fapaneng ea boholo.Mefuta e atileng haholo ea ho epolla ke li-crawlers, dragline excavator, suction excavator, skid steer, le li-excavator tse fihlang nako e telele.

Li-excavators li sebelisa mefuta e fapaneng ea li-attachments tsa hydraulic tse sebeletsang merero e fapaneng.Ntle le nkho, li-attachments tse ling tse tloaelehileng li kenyelletsa auger, breaker, grapple, auger, lebone le li-coupler tse potlakileng, likarolo tse ngata tse tsoang kantle ho naha ke li-slewing bear.

Mochini o khona ho potoloha ka ho le letšehali le ka ho le letona nakong ea mosebetsi, 'me a ke ke a etsa ntle le ho beleha.Ho beleha ke karolo ea bohlokoa ea mokhoa oa ho bolaea.The excavator slewing bearing haholo-holo e sebelisetsoa ho tšehetsa boima ba 'mele o ka holimo oa koloi le ho jara mojaro o sebetsang.
Sebaka sa ho phunya sa moepo hangata se sebelisa mofuta oa gear e ka hare moleng o le mong oa lintlha tse 'ne ha o hokahana le bolo, ebe o tima leino.