Hey Sam and Drew,
My apologies I don't know what my complete weight was I know the trailer comes in at around 3K fully loaded. Yeah the RV had 37K on it when I bought it and not sure when it was last changed. I'll also look at changing out the brake lines and fluid as well.
Sam, they said the converter likely seized and that it just got really hot. I told them what we pull with it and everything because I wanted to make sure that the cooling on the system was adequate. The cooler got a complete flush while everything was out and they made sure that we had good flow. Good points on the trailer, is there an easy method to determine if the bearings are tight? I know that when we change the tires out on it, I can freely spin them with no issue, not sure how accurate of a method that is.
Yes I am looking to get as much useful information as possible not trying to beat around any bushes here because well I don't want to go back down this road for a very long time :).