Rolara ea pina e ajoa ka tlase ho koloi e lateloang, 'me mesebetsi ea eona ea mantlha ke:
1. Tšehetsa boima ba pina le 'mele oa koloi ho etsa bonnete ba hore pina e ka ikopanya le fatše hantle
2. Tataisa pina hore e tsamaee tseleng e nepahetseng, thibela pina hore e se ke ea kheloha pina, 'me u netefatse botsitso le ho tšoara koloi.
3. Phello e itseng ea damping.
Moralo le moralo oa rolara o na le tšusumetso ea bohlokoa ts'ebetsong le bophelong ba chassis ea pina, ka hona, ho hanyetsa ho roala ha thepa, matla a sebopeho le ho nepahala ha ho kengoa li hloka ho nahanoa ka moralo le ts'ebetso ea tlhahiso. .
Khamphani ea YIKANG e ikhethetse ho etsa li-spare parts tsa literaka tsa ho lahla li-crawler, ho kenyeletsoa track roller, sprocket, top roller, idler e ka pele le pina ea rabara.