Re hlahisa bakete ea rona ea phetoho ea ho hlahlobisisa li-excavator, e etselitsoeng ho isa phuputso ea hau le ho hlopha lisebelisoa boemong bo bong. Libakete tsa rona li na le sistimi e phaphametseng ea lipolanete le enjene e lebelo e phahameng ea torque e nang le li-bump stops, e li etsang hore li tšoanelehe bakeng sa lits'ebetso tse fapaneng tse kenyelletsang moroalo o mongata, ho cheka, ho lokisa mobu o silafetseng, mabopo a leoatle, litšila tsa ho heletsoa le mesebetsi e tala ea ho e sebelisa hape. E fumaneha ka mefuta e mehlano ho lekana liepolli tse nyane ho tloha ho lithane tse 1.5 ho isa ho tse 40, libakete tsa rona tsa ho hlahloba li-excavator ke tharollo ea mantlha ea ho hlopha lintho tse sebetsang hantle.