Marka aad rabto in aad ogaato trailer-ka aad ku jiidi karto qaybta B shatiga wadista, waxa ay ku saabsan tahay Wadarta Guud ee Culayska La Ogolyahay ee trailer ama Caravan iyo Inta ugu badan ee la Ogol yahay Wadarta Miisaanka gaadhigaaga. Wadarta miisaanka la oggol yahay ayaa lagu sheegay shahaadooyinka diiwaangelinta baabuurka iyo trailer-ka.
Garaafka, oo shatiga wadista caadiga ah (B) ogol yahay, waa in uu lahaadaa ugu badnaan la ogolyahay miisaan dhan 750 kg. Baabuurkaaga dabcan waa in la oggolaado si uu u awoodo inuu jiido miisaankan. Haddii gaarigaaga loo ogol yahay inuu jiido ugu badnaan culeyska isku-xidhka oo ah 600 kg, wadarta guud ee culeyska tareenka waa inuusan dhaafin 600 kg.
Haddii trailer-ku leeyahay miisaan wadarta la oggol yahay oo ka badan 750 kg, isku darka wadarta guud ee miisaanka baabuurka iyo tareelada waa inuusan ka badnaan 3,500 kg.
Inta lagu jiro hubinta miisaanka miisaanka xamuulka, labadaba baabuurka iyo tusaale ahaan. caravan waxaa la wada dhigayaa miisaan, oo ay ku jiraan darawalka, rakaabka iyo boorsooyinka.