I have a 2025 JT Nighthawk I installed a Curt class III 500 LB Toung weight and 5000 draw, similar to second picture ,this bolts to the frame from the factory mount plate. You need to fish the bolts and spacer through the frame and drop down into the hitch mount holes, fish wires supplied, some...
from past experience, take it to a reputable collision shop and they can put it on the lift and run a laser check according to mfg. specs. Also the drive shaft u-joints should be replaced and the output trans case seals should be replaced, they will start leaking. The same with the rear end...