check out this collapsible crate by big ant available at northern tools.
i use one with my radrunner 1 -
https://www.dpbolvw.net/click-100322518-11555947?url=https%3A%2F%2Fwww.northerntool.com%2Fshop%2Ftools%2Fproduct_200749437_200749437
i use one with my radrunner 1 -
https://www.dpbolvw.net/click-100322518-11555947?url=https%3A%2F%2Fwww.northerntool.com%2Fshop%2Ftools%2Fproduct_200749437_200749437