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You could Google Shappell 199293.
I haul my Clam one man with this... I just bungee it on and away I go. https://www.amazon.com/Hitch-30110814-Black-Cargo-Carrier/dp/B00JKBSHAA For some Quads the exhaust is an issue but it wasn't with my Polaris Sportsman.
This looks good! Maybe add some removable mud flaps to keep the slop of the shack.
I use the same one, only i built it with the bumper part on the ATV side since my shack was a little wider than the platform, so it hangs over on the back.