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 ...

A fifth wheel hitch looks similar to the hitch you see on the back of a semi-truck. The hitch sits on the truck-bed floor and features a plate for the trailer tongue to rest on and jaws to grasp ...

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 ...

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 ...