On Chevy's and GMC I believe the one ton rear axle is bigger and probably throw an extra leaf on the spring packs,? I do know in my recent truck shopping there was an option package for 3/4' tons that gave it a bigger transmission cooler heavier frame and a few other things, salesman I was working with said to just get a one ton, especially if your not a hot shot driver. forgot what the package was called exactly though. Nor do I know What exactly made it still considered to be sold as a 3/4'ton. Maybe bed capacity? Idk I do know a 8' steel dumper dog box will add over 600 lbs to an 8' bed.empty Plus what approx up 2 yards of gravel might add If I didn't have air helper springs I problaby wouldn't consider converting my 3/4:ton into a small functional occasional use dump truck. However looking forward to using it like a one ton dump truck. I suppose if I break something due to using it occasionally as a small dump truck I'll regret my decision but learn an expensive lesson. Quoted per
ta googler search enhances the truck's towing capacity and performance by adding components like a heavier-duty rear axle, upgraded suspension, and a 3500HD frame
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