Gudbinta buug-gacmeedka

Gudbinta buug-gacmeedka (MT), oo sidoo kale loo yaqaan sanduuqa gearbox, gudbinta caadiga ah (Kanada, Boqortooyada Ingiriiska, iyo Maraykanka), ama wareejinta usha (Maraykanka), waa nidaamka gudbinta baabuurta ee xawaaraha badan, halkaas oo  isbeddelada marshku waxay u baahan yihiin darawalku inuu si gacanta ah u doorto gears-ka isagoo ku shaqaynaya ul gear iyo xajin (taas oo inta badan ah baallaha cagta ee baabuurta ama kabaalka gacanta ee mootooyinka).