Li-gearbox tsa Dredger li entsoe mabapi le maemo a thata le bophelo bo bolelele.Li-gearbox tsa rona tsa dredger li sebetsoa ho li-dredger tse nyane kapa tse mahareng tse loketseng bakeng sa tlhokomelo ea ho cheka kapa likepe tse kholo tse kholo tse loketseng hantle bakeng sa ho nchafatsa mobu le mesebetsi e meholo ea lehlabathe le lehlohlojane hammoho le mefuta e meng ea likepe tse kang li-cutter suction dredger.
Likarolo tsa rona tsa jenereithara ea pompo li hlahisoa ho latela litlhaloso tsa bareki 'me li fana ka litekanyetso tsa phetisetso e entsoeng ka mokhoa o ikhethileng le mehopolo ea mekhahlelo e mengata.Sehlahisoa sa rona se kenyelletsa likarolo tsa lisebelisoa bakeng sa lipompo tsa jet, lipompo tsa dredge, lijenereithara, li-cutters le li-winch.Lisebelisoa tsa lisebelisoa li etselitsoe ho latela lintlha tsa moreki le litekanyetso tsa ts'ireletso tsa ka tlung tsa RELONG.