I stopped in at my RV dealer today (Dixie RV), and spoke to a parts fella. In asking him about the weight ratings of the various size storage bins for the Grey Hawk 29MV, he did a little research, and came up with 130lbs for the small bins and 150lbs for the large bins.
From Cajun Country
Jayco 2016 Grey Hawk 29MV Champagne
Toad - '16 Subaru Forester (Pearl White - manual transmission)
Blue Ox (everything) for the TOAD
EEZRV TPMS System