Welcome and keep the good work and pictures coming. What engine and transmission are in your rig? How long have you and your wife been building it? What is you total length? close to 45'? When you finish it should be very comfortable.
The truck has a 400 big cam Cummins with a 15 speed trans.. The truck is about 43' long. We have been working on it for about 2 years but only in the winter months because my work is seasonal.
You going to pull your Jet Ranger to your jobs and live in your truck? What crops do you spray? If you wanted more work you could sling Christmas trees in NC, and lots of other place I am sure.
I will be pulling a 24ft enclosed trailer with our dirt bikes to the races with . I have 1 ton and a 40ft trailer I use to haul helicopter with. I spray mainly timber to control under brush and we do spray corn, beans, and pastures.