When you're cruising at 75 mph,,,,passing everyone,,, uphill,,, with camper in tow,,,, and you look down and notice the rpm's are at 1800,,,, you say to yourself "Self, buying a Duramax dually was a ...
It would be no different than when the dmax came out. They pulled supposidly a 16K trailer with props to fairs etc around the US. Turns out, the trailer alone was the gcw at the time, add in a 6500 lb reg cab dually, and it was close to 27-28K lbs total! That was in 01! I know a heavy equipment operator that ran down the road at 40K gcw with a mid 00 4500! those were only rated to 26K gcwr. Going over manufactures gcwr is not uncommmon. ALong with being legal mind you!