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 ...

Traction is always an important issue for pickup truck buyers and owners, especially when towing, carrying payload or just exploring the roads on the way to your favorite campground. A spinning wheel ...

The pickup truck has long been a staple of the American workforce. The truck has jobs to do, things to haul and places to venture through. Some of those places can include slushy snow and mud ready 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 ...

QUESTION: I own a ’91 Chevy full-size pickup with four-wheel drive and need to know whether “posi-traction” is different from limited slip differential. I also need to know what I have on my truck. I ...

A locking differential, often referred to as a "locker," is a type of differential that enhances traction by ensuring both wheels on the same axle turn at the same speed, even when one has little or ...

In the world of off-road performance products, the differential locker is near the top. A differential locker is mechanism that sits inside of or replaces the differential carrier. The job of a locker ...

Mark McNabb was a contributor at TopSpeed from 2013 to 2018. Growing up, Mark always had a mind for tinkering on random items throughout his home and dad’s garage, including a 1953 Ford Mainline and ...

A differential plays an essential role in pushing or pulling a car in a straight line and efficiently and comfortably moving it through a corner. Basically, it’s a device that allows two sides of an ...

If you ever need to track someone’s 4x4 off-road, it’s easy if the rear diff under said rig is a stock GM “Corporate” 14-bolt: just look for the drag mark plowed down the center of the trail or the ...