Why do some trucks have a spare set of wheels hanging? Wouldn’t it better to just have all the wheels on the road?
In: 159
Those are cheater axels. You drop them to distribute the load across more tires. This reduces damage to the road, and you lift them with heavy loads to get better fuel economy
I think they call them cheaters because weigh stations check how much weight you have on each axel. This is regulated by the state to keep road maintenance down
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