So a little research gave me this list...
hemi 765lbs
440 670lbs
A-833 130lbs
727 145lbs
dana 60 500+?
So our drivetrain is half a ton on its own... not sure about the dana 60 I know that it varies based on brakes and application, but it seems awful heavy. I couldn't find a weight for an 8 3/4...