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What is the Difference Between a Limited-Slip Differential and a Differential Lock?

1 Answers
VonJourney
07/29/25 9:05pm
Here are the differences between a limited-slip differential and a differential lock: 1. Different functions. The differential lock locks the mechanism 100%, while limited-slip allows a certain degree of differential response; 2. Different applications. Differential locks are mostly used for off-roading and climbing, while limited-slip differentials are commonly used in racing (such as touring car races and WRC), though some off-road vehicles also use LSD (e.g., Dakar), and racing cars may use LOCK (for extreme drifting). The differences between a rear axle limited-slip differential and a differential lock are as follows: 1. The rear axle limited-slip differential is located between the two rear wheels of the vehicle. It compensates for the drawback of a standard differential spinning freely due to wheel suspension, where the differential provides a steady power flow to the spinning wheel without resistance, causing the vehicle not only to fail to move forward but also to lose a significant amount of power; 2. The significance of a limited-slip differential for performance improvement. When driving a car equipped with a limited-slip differential, if one of the drive wheels spins freely, the limited-slip differential will control the power output to both wheels, preventing the spinning wheel from continuing to spin and ensuring the other wheel has sufficient power to help the vehicle move forward; 3. The rear axle differential lock is located between the two front wheels of the vehicle. The differential lock and the differential serve completely opposite purposes. The significance of the rear axle differential lock for vehicle performance enhancement lies in improving off-road capability and enhancing the vehicle's ability to escape difficult situations when driving on unpaved roads.
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