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Thanks for the reply. I work for Freightliner. The cab bags we carry are Goodyear and Firestone (And of course OEM Freightliner). I ran across some Goodyear bags that are a little wider and shorter than the typical replacement Firestone bags. I see what you are saying about the cab bags absorbing what the suspension bags do not and it makes perfect sense. The one thing I wonder about it the mounting set up on these. The tops of all of our bags are plastic, unlike the aluminum bracket the bigger suspension bags use.

I'll check out the compressor you mentioned. I do not have any real desire to inflate/deflate the bags often. I am looking for a comfortable ride more than anything else. I do not haul anything of any weight in my truck so added suspension strength is not important.

I really do not know much about air bag suspension and am curious how the rear suspension set up would work. I can't imagine keeping the rear leaf springs in place if you want to increase ride comfort. Unless I guess they were flipped under the rear axle and the bags take all of the pressure for immediate ride comfort and control. If the leaf springs are removed completely, there has to be something else in place of them to center and support the rear axle.

Now, adding bags as a load helper makes sense because the bags would take the immediate place of the shocks and also allow you to level a heavy load.

Anyone know of any good tech articles for bagging these trucks?