Old article prior to current SAE standards for testing that explained the dynamics of marketing and engineering at the time and mentions coming standards in 2nd article that appear to confirm that the SAE standards were accepted by truck makers.
http://www.trucktrend.com/news/163-0...wing-capacity/
https://www.roadandtrack.com/car-cul...is-calculated/
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wiredgeorge Mico TX
2006 F350 CC 4WD 6.0L
2002 Keystone Cougar 278
2006 GL1800 Roadsmith Trike
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