Liliba tse felletseng tsa moea ke lintho tse emisitsoeng tse etselitsoeng literaka, likoloi tse hulang le likoloi tse boima tsa sehlopha sa li-trailer;li thusa mokhanni le mojaro ho fokolloa ke maemo a mabe tseleng, ho boloka tekanyo ea koloi nakong ea maemo a ho laela, le ho boloka litsela, lihlahisoa le litšireletseho tsa bapalami li le maemong a phahameng ka ho fetisisa ka ho khanna ho leka-lekaneng.
Li-air springs tse felletseng li fana ka boiketlo ba ts'ebeliso ea likoloi tsa mofuta oa tereilara le teraka ka lits'ebetso tse kang bokhoni ba ho sisinyeha bo ikemetseng le phetoho ea bophahamo bo fapaneng ho fihlela litlhoko tsa ts'ebeliso nakong ea ho kenya le ho laolla.
Ka kabo e leka-lekaneng ea mojaro lipakeng tsa li-axle le ho baballa bohare ba bongata, ho senyeha ha litsela tse kholo ho ea fokotseha 'me litšenyehelo tsa nako e telele tsa tokiso ea litsela lia fokotseha.
Mekhahlelo ea ho sebetsa ka lebitso, boleng ba maqhubu a tlhaho le matla a thepa bakeng sa lihlahisoa li fapana ho ea ka sebaka sa ts'ebeliso.