There is no way it should be damaging the gooseneck with that little of weight, and in such a short time. I've had 19,000lbs on my SWS gooseneck with 2x10,000s numerous times without issue, it's a 2009 and i've had it for 2 years without any problems at all. I actually contacted the manufacturer, everything on the 2x10,000lb are the same as with 3 10's, except for the coupler, so no issues going over 20,000lbs if you put a heavier coupler on it. I regularly have about 15,000lbs on it and trailer is roughly 7,200 so it's always loaded fairly heavy.
The odd part, my dad has a SWS bumper pull with 2 7's and the trailer is junk, so many problems in the 5-6 years of owning it. It is not built anywhere close to as good as my gooseneck is.
The odd part, my dad has a SWS bumper pull with 2 7's and the trailer is junk, so many problems in the 5-6 years of owning it. It is not built anywhere close to as good as my gooseneck is.