Why Some Truck Tires Don’t Touch the Road
Автор: NOWUKNOW
Загружено: 2026-02-12
Просмотров: 21
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Most people have seen it but never questioned it — a large truck driving down the highway with one set of wheels not touching the ground.
It looks strange. Almost like something is broken.
But those “floating” tires are completely intentional.
In this video, we explain why some truck tires don’t touch the road, what lift axles are, and how this design helps truck drivers save fuel, reduce tire wear, and comply with road weight regulations.
You’ll learn how weight distribution works on heavy trucks, why extra axles are needed for certain loads, and why those wheels are sometimes raised when they’re not required.
This is one of those everyday engineering decisions that makes perfect sense once you understand it.
If you’ve ever wondered why trucks lift their wheels while driving, this video breaks it down clearly and simply.
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