I went with the Mount-n-Lock bumper and cargo tray. For my 5er I selected the 6" bumper rated for 600 lbs of cargo. It was more for the kayak rack, but the addition of the firewood box keeps the truck bed free for other stuff. The cargo racks are designed for generators.
2021 Jayco Eagle 357MDOK, disc brakes, Roadmaster Comfort Ride Suspension
2020 Ford F350 Lariat 7.3L Gas SRW 4x4 Bagged
Andersen Ultimate Hitch