I have a 2022 Ram 2500 6.4 with the 4:10 gears. My tow rating is 16,000#, with 3200# payload. I have the Tradesman. I am at the dealer now for an exhaust manifold leak is what they told me. I just looked at a 2023 Tradesman 3500 6.7 with 20,000# tow, and 4100# payload, but it is going to cost...