comparison ST vs LT Goodyear

FastEagle wrote:

Cyclops69 wrote:
To me it is a simple conclusion as I am in the middle of doing suspension upgrades to my TT.

I have a trailer that weighs 7000 pounds loaded and I tow it down the highway at 65 to 70 mph,
It came from the factory with tandem 3500 pound axles and ST tires rated at 65 mph so straight out of the box my rig is at its maximum load and running at its maximum speed. This allows for no shock load or wiggle room as I am already at 100% of my load and speed. I COULD put those same tires back on as the factory recommends but WHY WOULD I? I am upgrading axles to 5400 pounds and tires after some help from some folks on here to Michellin ribs on 16 inch wheels. This puts me at about 75% of my max load and a speed rating of 75 instead of 65. I like the added wiggle room. If I had known all this when I bought this TT back in 07 I would have made sure to get upgraded axles and tires. I can't understand why the factory's would put out their product with their load and speed ratings so close to being maxed out!! Must be the insurance or the fact that they are trying to keep their trailers in the 1/2 ton market. Just a guess

Even if the manufacturer had upgraded your axles they would not have increased the GAWR on the certification label. However, if you could have talked them into upgrading the tires they would have put the upgraded size on the certification label.

Bottom line; Your trailer's GVWR and GAWR will remain the same as depicted on the certification label.

FastEagle

I never said I wanted to upgrade my GAWR rating or change the certification on anything !! I said I am upgrading the axles and tires so I have more of a cushion . Better to be at 75% of my axle rating than 100%.