Efficient diesel electric technology has been in use in railroad locomotives for years, so why hasn't it caught on in the ...

Millions of semi-tractors hit the road every single year to keep America running with everything from the mail and Amazon ...

At first glance, an 18-speed transmission sounds like overkill. After all, most cars get by with five or six gears. But semi trucks are built for an entirely different purpose, and that is moving ...

Cummins is a renowned builder of diesel engines for pickup and semi-trucks, and it's in the latter where you might also find some of its transmissions. While older semi-trucks tended to have manual ...

Semi-trucks really only have one job, regardless of where they are situated, and that job is to move stuff efficiently. Whether that stuff needs shifting from Italy to France, or from California to ...

Those of us who drive pickup trucks expect quite a bit from our trucks’ engines. As we put them to work, whether that’s on the job, around the farm, or just doing truck stuff, there are things that ...

Truck engines don't usually get as much fanfare as those of the big luxury coupes. Perhaps it's because they're built for grit over glamour. But take a closer look, and you'll find a few that earned ...