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 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 ...

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 ...

You are correct in saying that a selectable locker is a really good option for your daily driver. Lockers are awesome off the pavement, but they do introduce handling quirks on the street. Some of us ...

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 ...