airbag weight capacities

ey watsup i was wondering how to find the weight ratings for the aibags for like the semis, im having truoble finding it i went on to firestone site but no luck ne help thanks

Firestone's site as all the info on their bags, just have to look at the right place. But to make it quick and easy, simply go to http://www.airridetalk.com/specifications/ and click Springs on the left for all the info you could dream of.