Some semi trucks use single axles, while others use double or tandem axles. Here are the differences between the two setups ...

For massive semi-trucks that haul tens of thousands of pounds down highways every day, drivetrain isn't just a matter of choice. Rear-wheel drive (RWD) is the backbone of the trucking industry for a ...

The first ten wheels belong to the tractor. It tows a semi trailer, which usually rides on two rear axles. Those axles also carry four tires each. Add those eight to the tractor’s ten, and you get 18 ...

Given their enormous size, it's strange to think that semi-truck fleets actually care a great deal about aerodynamics. Whether it be the installation of angled fins on the side or the addition of ...

WALCOTT, Iowa (KWQC) - The driver of a semi whose wheels fell off on I-80 and struck a woman’s vehicle earlier this month near Walcott has been located by authorities. According to Iowa State Patrol, ...