Gawaarida iska roga ee Morooka waa gaadhi injineernimo oo xirfad leh oo leh chassis aad u saraysa iyo wax qabad fiican. Waxay noqon kartaa dhismaha, macdanta, kaymaha, beeraha saliidda, beeraha iyo bay'ada injineernimada qallafsan si looga shaqeeyo culeysyada culus, gaadiidka, rarista iyo dejinta. Markaa waxaan leenahay shuruudo aad u sarreeya oo ku saabsan xasilloonida tayada iyo cimri dhererka chassis-ka.
Shirkadda Yijiangwaxa uu ku takhasusay soo saarista chassis-ka farsamada iyo agabka,waxana uu leeyahay cilmi baadhisyo badan oo ku saabsan roula-yaasha morooka chassis-ka baabuurta. Waxa si guul leh naloogu habeeyey afarta rolalkaMST300 / MST800 / MST1500 / MST2200model , oo ay ku jiraan rollers track, sprocket, rollers top, shaqo la'aan hore iyo track caag ah.
Shirkadda Yijiang waxay soo saartaa Morooka Rooka Qashin-qaadka caagga ah ee Qalabka Qalabka, Dufcaddii ugu dambeysay ee rollers waxaa loogu talagalay macaamiisha Jarmalka ee MST2200 wax soo saarka xamuulka qashinka ee hore, rollers track, sprockets, waaxda wax soo saarka ayaa kor u qaadeysa shaqada, ku dadaal in aad macaamiisha u keento alaabta sida ugu dhakhsaha badan.
