Heavy duty trucks ni magari mazito sana yaliyotengenezwa kubeba mizigo mikubwa, kufanya kazi nzito, na kufanya kazi kwenye mazingira magumu kama migodini, ujenzi, na safari ndefu
Kwa ufupi, haya ndiyo matumizi yake makuu:
Heavy Duty Trucks hutumika kwa:
Ujenzi – kubeba mchanga, mawe, zege (dump trucks, concrete mixers)
Migodi – kubeba madini na mizigo mizito sana
Mafuta & maji – tankers
Usafirishaji wa mizigo mikubwa – cargo trucks & truck tractors
Kilimo & viwanda – kusafirisha malighafi