What is a differential system, and what is the use of a differential lock in a tractor?

Question

Accepted Answer

Differential system allows wheels to rotate at different speeds, while differential lock locks both wheels to rotate at same speed in a tractor.

Differential system allows wheels to rotate at different speeds to prevent slippage and improve traction.
Differential lock is used when both wheels need to rotate at the same speed, such as in muddy or slippery conditions.
Differential lock can be engaged manually or automatically depending on the tractor model.
Engaging the differential lock helps to prevent one wheel from spinning freely while the other is stuck.
Differential lock is commonly used in off-road or agricultural vehicles like tractors.

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