5.6.1.a The first scheme
First layout: longitudinally located engine, after which there is a gearbox, behind which a transfer case is installed. From the latter, cardan gears transmit traction to the rear and front drive axles. A differential is installed inside the transfer case. It can be symmetrical and asymmetrical, as well as blocking and non-blocking. Blocking can be carried out using a viscous drive. In addition, a self-locking differential can be installed.
Note
A differential is called symmetric, if it distributes (divides) the thrust from the engine between the axles of the car equally (50:50). An asymmetric differential distributes (divides) the thrust from the engine between the axles of the car unevenly (for example, 40:60)..
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