These are my truck's numbers--I have no idea how they came up with the max trailer weight. Also, I took off a few pounds from the hitch weight to account for the with of the hitch and a tank full of fuel.
GVWR (Gross Vehicle Weight Rating--fully weighted towing vehicle plus tongue weight fully loaded fifth wheel)--10,000
GAWR (Gross Allowable Weight Rating) front axle--5,200
Curb Weight front--4,511
Reserve Axle Capacity front--689
GAWR (Gross Allowable Weight Rating) rear axle--6,700
Curb Weight rear--2,872
Reserve Axle Capacity rear--3,828
GCWR (Gross Combined Weight Rating--fully weighted towing vehicle and fully loaded fifth wheel)--24,500
Max Trailer Weight (fully loaded fifth wheel)--16,817
Max Tongue Load (equals GVWR-GVW)--2,617
GVW (Gross Vehicle Weight)--7,383