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

I’m not sure if they automatically lower themselves above a certain weight now, but in the past truckers used to keep them up when they should have been lowered, to save on tyre wear and fuel.

Problem with this is, having too much concentrated weight increases wear and tear on the roads.

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