Looks like an inexpensive trailer solution.
https://albany.craigslist.org/tro/d/military-trailer/6690225726.html
“M416 Military Trailer for Jeep. 1967 Measurements 51″W X 74″ long X 17.5″ Deep. One side bent as shown. Tailgate was cut by last owner, No real rust just paint and go. No Reg. Price reflects condition, Worth a lot more repaired. No holds”