I'm sure it works but it's of no use for what he's doing. Most states require all axles in a group to carry within 1000 lbs of each other. That's a West coast 105,500 tractor.
I'm amazed it wasn't just setting on the ground. My Benson steps are only spreads but have the same frame. They sit low to begin with.
I'd be amazed if that truck was able to lift off the ground to begin with. I'm impressed the tires stayed on the rims for the entire trip.