What is the purpose of a center differential?

1 Answers
HarrisonLynn
07/30/25 7:48am
The purposes of a center differential are as follows: 1. The differential is used to achieve wheel speed differentiation, distributing a fixed rotational speed from the engine output shaft into different speeds transmitted to the wheels. 2. Two-wheel-drive vehicles have only one differential, installed in the middle of either the front or rear axle. 3. When a car turns, the turning radius of the front wheels is larger than that of the rear wheels on the same side, so the front wheels rotate faster than the rear wheels. As a result, all four wheels follow completely different paths, necessitating the center differential to distribute torque between the front and rear axles. 4. Note that a differential and a differential lock are two entirely different concepts.
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