I have an EVO 2850, really similar to yours. My TW is 1000 lbs give or take 150 lbs depending on how I pack and length of trip we are taking.
I have "normal" camping gear and groceries in it. I also have dual 30lb LP tanks and dual group 27 batteries up front.
2015 Forest River EVO 2850
2012 Dodge Ram 2500 6.7 Cummins
Yamaha 2k x 2 with parallel cable
EMS 30 PI portable w/ Edison plug
Nights Camped (2016-13) (2015-13)