QUOTE(Wink @ Jul 6 2011, 11:27 PM)
For the short answer NO.As in it mite tow it for a while but most trucks are over rated any way.
As in I tow with a E350 rated at 9800 tow capacity.My trailer is 6400 to 7500 pounds and I am not happy with the power.
It is not all weight it is also how aerodynamic it is.Also if that is all it will tow on paper you will need a equalizer hitch I would think.As for sway a lot of that is how you load it.Around ten percent of the weight on the hitch is what they say.You may can get by with a little more or less
just depending on how your rig pulls.
I agree with your short answer of "NO" but don't necessarily agree with the rest. Towing capacity is limited by many things and the ONLY
thing that counts is what the specific owner's manual says. There is usually a chart that refers to engine size, axle ratio and presence of a towing package. In many cases, you can't rely on an online source due to in year model changes. The government mandates that the owner's manual be accurate for that particular vehicle
As for "most trucks are over rated" this is usually not the case. I have friends in the automotive industry who are directly involved in this aspect of new vehicle design and I know that, they are conservative in the ratings.
As for sway, that really has little to do with weight (unless you are loading your trailer wrong) and a lot to do with the wheelbase of the tow vehicle. A short wheelbase pickup can have significantly more problems with sway that the same pickup with a crew cab or a long bed. There is some convoluted formula that compares the wheelbase of the tow vehicle to the distance from the hitch to the trailer axle but I don't remember exactly what it is. My suggestion is to Google it.
One other side note, there is no specific mandate from any governing authority as to how towing capacity is measured! Each manufacturer comes up with their own method and it can even change from year to year. Caveat Emptor!