The "semi" title is meant to describe the trailer itself rather than the truck, in particular any trailer that only possess rear axles, uses a fifth wheel to connect to the tractor, and is ...

Truckers sometimes drive the semi-truck without the trailer ... This design allows it to slot into the truck's fifth wheel, which is shaped like a horseshoe. When the kingpin is inserted ...

Semi-truck wheel spikes are just simple corrosion inhibitors, meant to keep salt and grime from gunking up the threads on truckers' wheel studs. The pointy appearance is just that — all ...