CAT scale numbers hitched and not

[Lantley]

I think the take away from all of this is that you are at your limits. I don't think the sky is falling. But you do need to be mindful of what you carry vs. having 1000# more cargo capacity available. Be sure to check tire pressure regularly and keep everything aired up to the max.
You also need to consider you have more available cargo capacity in the truck vs. the trailer