Li-gearbox tse ling ke tse etselitsoeng ts'ebeliso e itseng kapa indasteri.Hangata ke mefuta e hlophisitsoeng kapa e fetotsoeng ea mefuta e tloaelehileng ea li-gearbox e ntlafalitsoeng bakeng sa litlhoko tse ikhethang tsa ts'ebetso, maemo a tikoloho kapa mathata a ts'ebetso.Li-gearbox tse ling li fumaneha ka mefuta e mengata e fapaneng 'me li ka fumaneha liindastering tse fapaneng ho kenyelletsa likoloi, sefofane, ts'ireletso le bongaka.Mohlala oa li-gearbox tse ling ke li-gearbox tsa polanete, tse sebelisoang hangata mecheng e boima le lirobotong.Li-gearbox tsa lipolanete li sebelisa lisebelisoa tsa letsatsi tse bohareng le likere tse ngata tsa polanete tse nang le lesale la kantle, tse hlahisang moralo o kopaneng le o sebetsang hantle o fanang ka boima bo phahameng ba torque.