The 4x2 tractor can't get the rig moving on a slippery upgrade, so the trailer's powered rear axle provides a boost. Photo: Tom Berg from SAF-Holland video Powered trailer axles are unusual, even in ...

Have you ever wondered why some semi trucks have one set of wheels and others have two sets crammed together? That's because some semis use a single axle while others have tandem axles, but why is it ...

1,150-lb. aluminum utility trailer has tandem 3,500-lb. axles, removable aluminum fenders, two 5-ft. aluminum pull-out ramps that store under the extruded aluminum deck The 7816 tandem-axle, flatbed ...

Hybrid trucks? Sure, though they’re somewhat complex and expensive, and interest has waned in the face of cheap fuel. Hybrid trailers? Comin’ up, and they’ll be comparatively simple and quicker to pay ...

General-purpose, tandem-axle, tag-along equipment trailer is suited for transporting trenching and horizontal directional drilling equipment 18,000-lb. GVWR with a maximum hauling capacity of 14,130 ...

When it comes to towing heavy loads, conventional wisdom states that more trailer axles are better. Just look at those specially built haulers that carry million-pound superloads—they have more axles ...

[Stay on top of transportation news: Get TTNews in your inbox.] When it comes to spec’ing, getting the best fuel economy is about building a tractor with all the right pieces. Even with the best basic ...