Originally Posted by noserider
I have the 3000 MH tranny. I always wondered why Newmar installed the 5K hitch on mine given the 10K difference between curb weight and combined weight. Anyone??
No one but Newmar can give you a definitive answer to that question but there could be other limiting factors. The structure the hitch is attached to, for example. Some models have very long extensions added to the back of the frame rails, as they came from the chassis manufacturer, creating a lot of leverage between the original frame and the hitch. There might be something else in play.
Engineering school was long and expensive then you throw the lawyers into the mix encouraging the manufacturer to err well on the side of caution. Bottom line, exceed the manufacturers rating and should there be a problem you could open yourself to punitive damages many times the actual damages caused in the ensuing accident. Those may or may not be covered by your insurance policy depending on the policy and/or state laws.