The 2016 GMC Sierra HD lineup is equipped with the Eaton Locker automatic locking rear differential, and it comes in handy during times where getting traction can be difficult. It’s what GMC refers to ...

Locking differentials are a definite game changer when it comes to off-roading. They increase traction by forcing both tires on an axle to turn. But what is a locking differential? Car people will ...

If you've kept tabs on our '04 4Runner build, you know we've been using an automatic locker in our Currie 9-inch rearend. The automatic locker has done everything we've asked: It's been self-contained ...

Locking differentials are a type of differential used in vehicles to improve traction and handling, especially in off-road or challenging terrain conditions. The purpose of a locking differential is ...

Driving with the diff lock engaged on dry pavement isn't just a bad habit. It's a quick way to strain your drivetrain and make the whole car feel off. The tighter the corner, the worse it gets. Your ...