With a truck, trailer and winch, you really shouldn't need a key. With a tow strap you can drag the truck where it needs to be, then winch it up the trailer. Have used plywood boards and a floor jack to lift vehicles to pivot them sideways. Have used wood planks greased up with dish soap to slide tires to pivot vehicles. Lots of ways it can be done.

A socket set, small compressor and an air hammer and I suppose you could disconnect the steering shaft if you wanted to.