5 entertaining oddities about semi-trailers.

Lists are among readers’ favorite items to peruse in all categories. But truthfully, you don’t expect the area of trucks and semis to be the focus of much riveting trivia. But thanks to TheTruckersReport.com, we’ve gathered some interesting unusual facts and tidbits about 18 wheelers that may surprise you. Here are five of our favorites:

  • 18 wheelers are called semi-trailers, because the trailer doesn’t have front wheels; it’s only mobile when connected to the tractor. Hence, the name “semi-trailer.”
  • Semi-trailers usually run around 53 feet long, minus the cab. With the cab they’re about 70 to 80 feet long. The maximum load semis can haul is 80,000 pounds. An 80,000-pound big rig weighs 20 to 30 times more than a car.
  • A semi-truck engine is six times larger than a standard car engine. Truck engines also have 300 to 400 more horsepower under the hood and have 900 to 1,800 more feet per pound of torque.
  • Semi-truck engines get  800,000 more miles of life than car engines. They are also designed to keep running, which keeps the oil flowing and parts lubricated. You don’t ever have to shut your engine down except to service it and change the oil.
  • It takes two football fields to stop an 18-wheeler. Strangely, it takes a semi longer to stop if it’s hauling on a smooth road. No resistance equals longer braking time.

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