A diff lock, or differential lock, is a mechanism that forces both wheels on an axle to rotate at the same speed, regardless of traction. This is in contrast to a standard differential, which allows the wheels to rotate at different speeds, making it easier to turn corners.
Why is it useful?
- Traction: When one wheel loses traction (e.g., spinning in mud or air), a diff lock ensures that the other wheel continues to receive power, helping the vehicle to move forward.
- Off-roading: Diff locks are especially valuable in off-road situations where traction can be unpredictable. They can help you navigate challenging terrain, like rocks, mud, or sand.
Types of diff locks:
- Manual: These require a driver to engage or disengage them manually, often using a switch or lever.
- Automatic: These engage automatically when one wheel begins to spin faster than the other, providing a more hands-off approach.
When to use a diff lock:
- Off-roading: When driving on rough, uneven terrain.
- Low-traction conditions: When one or more wheels are losing traction.
Important note: Diff locks should generally be avoided on paved roads, as they can make turning more difficult and increase tire wear.
Sources & related external articles
- https://www.pupkewitz-motors.com/news/how-to-use-diff-lock-the-right-way
- https://www.4x4works.co.uk/advice/diff-lockers-explained/
- https://www.eaton.com/au/en-gb/products/differentials-traction-control/locking-differentials.html
- https://autoworld4x4.co.zw/why-is-your-diff-lock-important
- https://www.milneroffroad.com/how-to-use-diff-lock-properly
