Every vehicle comes with an axle gear ratio number, but not everyone knows why it's important. Here's how to read the ratio ...

The prototype is based on the same principles as a differential, but reverses the direction of power flow. In something like a car, a single input from a driveshaft is sent to two output shafts ...

Depending on the trim level, some Toyota 4Runner's have the unique four-wheel drive option of H4F. Here's what that means and ...

A half shaft is essentially a drive axle, and it’s so named because it does half of the job, extending from a transaxle or differential to one of the wheels. Its twin on the other side completes ...

And without a long driveshaft, rear axle (or axles), or rear differential, front-drive vehicles carry less mass. This, coupled with reduced driveline loss, aids efficiency. Front-drive ...

snapping the shaft. The Limited Slip Differential, or LSD, is a device designed to automatically reduce the loss of drive that occurs when wheels spin on one side of the axle. Wheel spin is ...