Why do some trucks have a spare set of wheels hanging? Wouldn’t it better to just have all the wheels on the road?

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Why do some trucks have a spare set of wheels hanging? Wouldn’t it better to just have all the wheels on the road?

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Anonymous 0 Comments

Those wheels and axles are needed to carry a heavy load. When not carrying a heavy load, they are not needed. If you left them down, those tyres would get extra wear and tear. In some circumstances, it also allows the trailer to be turned around tighter corners.

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