These hulking diesel engines power the economy with massive torque, hundreds of horsepower, and hard-driving reliability.

The newly announced features have multiple benefits. Tesla announces game-changing improvements to upcoming Semi truck: ...

Inspectors are also looking at the tires on semitrucks for any leaks, patches, and low tire pressure. State officials said ...

An online community for late model GM V8 engine performance enthusiasts. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a ...