In automotive design, it's all about proportions. Since mass-produced cars first emerged in the early 1900s, an often-overlooked measurement that influences a vehicle's aesthetic appeal and function ...

A drive axle is essentially a half axle, 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 the set.

For most enthusiasts, the first serious modification is an exhaust, and the choice usually narrows to two options: cat-back or axle-back. Both promise more sound and personality, but they differ in ...

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 ...

Compare plans tailored to your car & budget. An axle may seem simple — it helps connect a wheel to the rest of your car and get that wheel spinning. However, they can be more complicated than you ...

Engine capacity, transmission speed, and drivetrain options are important factors when shopping for a pickup truck. But there is one area that shouldn’t be overlooked, and that’s choosing the right ...

The trucking industry is one of the most regulated in North America—and rightfully so. When an 80,000-lb. tractor-trailer is traveling at 65 mph, the potential for disaster is constant, regardless of ...

If ever there were a perfect axle for the massive rigs found at Top Truck Challenge, it would probably be the Rockwell 2.5-ton. Few others can handle the high horsepower and torque loads required by ...