Please shoot me a PM if you are looking to sell a Super Pacific build spot. It would make my 4-year old's whole summer if I can pull off finding her a 'truck tree house' :)
I found this old post and it references a company here in Colorado, https://www.trailermadetrailers.com/
https://expeditionportal.com/forum/threads/my-taxa-cricket-mod-build.189809/