Portable Receiver Hitch Winch
They are very handy. I built a receiver on my car trailer, and bought a HF winch. It has plenty of power but the drum is too small and you must CAREFULLY watch and level wind it, or the wire will jam in the drum cross ties. I also have a front receiver hitch on the 4WD converted RAM, and via solenoid, have a switched heavy cable back to the rear for using on either the RAM hitch or on the trailer
Don't forget a snatch block which will double pulling force