It shows the 8535 at 974 lbs.,weight ratings- large top drawer 550 lbs, single pair slide drawers 232 lbs., double pair slide drawers 450 lbs. 6 inch casters rated at 5400 lbs., 8 inch casters 6,000 lbs.

Mb8505 side box is 280 lbs, and single pair slides 140... Login to read more.