I've tried this in the mission editor but being unable to lift cargo boxes i had to improvise so I filled a off-road with weapons and some random kit tasked an ai to lift the off road from one location to another and it works the ai can take a while to attach the object but releasing the object seems to be no issue and is done safely
now taking it a step further I tried to have an ai bring me a offroad on radio command radio alpha this also works fine .