Shaking on a brand new Pete 579

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{"text":"Hi guys, just picked up my brand new 579 but once on the highway it’s shaking the sh*t out of me... The vibrating start to be noticeable by 50 mph but it’s getting really bad by over 60 mph. Any ideas what it could be? Did anyone experience the same issues with a brand new truck?","videos":"[]","link":"{}","pics":"[{\"description\":\"2020 Peterbilt 579 \",\"height\":626.0,\"name\":\"\",\"url\":\"\",\"width\":834.0}]","canComment":true,"externalShare":false}