Warning lights, sagging beds, and tired attachments all mean your gear's overworked. Learn the signs and simple fixes to help trucks and machines last longer and run more easily.

Optional axle ratios can tailor pickup truck power and efficiency to suit your needs as long as the gearing keeps the engine in its torque sweet spot. Often overlooked, optional gear ratios play a key ...

Putting a heavy load on a trailer may require a bit of math and imagination to get the axle weight right. But running with too much weight at one end or the other could affect the vehicle’s dynamic ...

When spec’ing a heavy haul truck there is no single best solution. The weight of the load, distance traveled, amount of time spent off road and a host of other factors determine the proper choice.

Mack Trucks has released the S852 tandem axles, which have an 85,000-lb. gross axle rating and are now available to spec on the Granite model for specialized severe-duty or heavy-haul applications.

Outside of a contract with the National Football League or the Ultimate Fighting Championships, is there any more manly (and nonviolent) job than operating a heavy-haul rig? You drive a burly ...

We all want stronger, more reliable, and more effective axles. Greater strength can come in the way of a complete bolt-in axle replacement. It can also be had through reinforcement using trusses or by ...

Cargo weight must be distributed evenly across all your axles. And sometimes you have to slide your axles or 5th wheel to redistribute the weight in the trailer. Here’s a guide to basic axle weight ...