I have a 2008 Westport 42 that I've had a few months and finally got around to putting it on the scales. I was surprised that the front axle was nearing its maximum rating of 13,000 lbs. The coach was loaded, but I didn't expect the front axle to come close to the max. I have noticed, somewhat to my surprise that most DP's have their fuel and water tanks right behind the front axle. I would have thought that large weight source would have been closed to the rear axle, especially on a coach with tandem axles.
What does your 42-foot Contessa weigh? BTW, the total weight was 37,600 lbs. so a lot more weight could have been pushed back on the coach. Of course, that's something that can't be done now.
Gil