When a driver engages it, the center differential locks the front and rear drive shafts together so that they turn at the same speed thus delivering equal amounts of torque to the rear and front wheels. Basically, a full-time 4WD vehicle with the center differential locked acts like a part-time 4WD vehicle when the 4WD is engaged.
Wakati dereva linafanya kazi yake, kituo cha tofauti kufuli mbele na nyuma ya gari machimbo pamoja ili waingie kwa kasi hiyo hiyo hivyo kuleta kiasi sawa ya moment na nyuma na magurudumu ya mbele. Kimsingi, ya muda 4WD gari na kituo cha tofauti imefungwa vitendo kama sehemu ya muda 4WD gari wakati 4WD ni kushiriki.