Noticed a large dump truck driving around a construction site at the airport and the dump trailer it was carrying had a hitch almost as long as the trailer. Why is this? Maneuverability? Helps with leverage when dumping the trailer?
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Some states have weight laws on how mush weight can be on each axle, the weight can be increased by the spread of the axles. The distance between axles allows one truck to carry more weight in a single trip. The truck can also “jack knife the trailer and dump both loads if the site has enough space. But mostly it is about the weight distribution.
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