Top of the morning to you all, we are 50 now, kids gone and we decided to try out the RV life. I judge field trials which I do off o a Polaris 700 sportsman atv. So we need a toy hauler. My towing ri...
The OP needs to check the driver's door yellow sticker for the actual payload capacity for his Burb. 4x4 will have a lower payload capacity.
And post the specs for his Burb, to better determine actual towing capacity. That 8400 number sounds like a max amount for a specifically spec'd Burb. Like a 4.10 rear end.