Authorities say a bobtail tractor careened off the Delaware Memorial Bridge, plunging into the river below. What is a bobtail ...

It's a "semi" trailer because it doesn't have its own engine, front axles and wheels, transmission, and so on. Thus, "semi-truck" is a nickname for a truck that carries a semi-trailer.

The fatal accident happened near Date Palm Drive when a big-rig traveling west lost control and careened into oncoming traffic heading east.

ZF reveals battery-powered semi trailer concept at IAA Transportation in Germany, previewing a way to reduce ICE truck emissions. The trailer features an electric motor along with regenerative ...

An investigation revealed Strickland was approaching the rear of two adjacent trucks, a 2018 Peterbilt towing a semi-trailer in the center lane, and a 2015 Kenworth three axle straight truck in ...

Peterbilt 367 will be up for grabs to the highest bidder featuring a 915 ci Cummins ISX engine and an Eaton-Fuller RT-18 ...

These rigid neck semi-tilt deck trailers come in three sizes ranging from 35- to 50-ton payload capacities. Tilt deck has standard 9-ft. top deck with tapered angle for smooth transition from the ...

A semi-truck fire impacted traffic on northbound Interstate 5 in the Elk Grove area late Wednesday afternoon, the California Highway Patrol said.

Truckers sometimes drive the semi-truck without the trailer — a practice known as "bobtailing."  However, it's not the safest thing to do, mainly because the trailer adds the weight and balance that ...