02-03-2018, 01:37 PM
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Big Dawg On The Bone
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Join Date: Jul 2017
Location: Washington State
Posts: 1,732
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Re: new project - 2 straight tank trucks
Quote:
Originally Posted by Fury Fan
Correct by both guys. Most trucks that have a bunch of axles are for road-loading regulations (aka bridge laws) for the roads they travel, it's independent of the GAWRs the truck is built with. For a single drive axle, GAWRs of 19k-23k are pretty common, yet almost all states limit the weight of a single axle at the GAWR, or 20k, whichever is lower (steer axles are generally quite lower on GAWR). If you've ever seen the cement-mixers with that funny drop-down axle-arm hanging off the back, that's to satisfy a bridge law for that region.
Then of course, if a truck's vocation requires it to have extra axles to avoid getting stuck, the manufacturer or bodybuilder puts them on, to make sure they can continue selling trucks into that job.
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I couldn't have said it better myself!
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