19,500 GVW is HUGE!
The highest GVW I could find in the literature was 18,000 lbs for a grain body type truck.
By way of comparison, most of the one ton crew cab dually pickups during the squarebody era ('73 -87 ish) were 10,000 to 11,000 GVW.
https://www.gmheritagecenter.com/doc...2nd-Series.pdf
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