Wanted a truck bed for my SCX24. Couldn't find a good one so I mashed these two together in SuperSlicer. Will need to figure out your own mounting system. Supports were needed.
I have the Bronco chassis, so I personally printed and attached this: https://www.thingiverse.com/thing:5872293
Parametric License plate shown in picture is from here: https://www.printables.com/model/139917-licence-plate
The author remixed this model.