Amazon.com: Trailer Valet TVRVR9: Self-Motorized & Remote-Controlled 9,000lb Capacity, Aluminum Finish for Durability, Moves Trailers up to 40ft, Includes Base & 2" and 2.5/16" Ball Set : Automotive
Trailer Valet RVR - Electric Trailer Mover Up to 9,000 lbs
3D Model .stl Vector Robot Trailer Accessory - Etsy
This autonomous delivery robot comes with its own little trailer to deliver the bigger parcels! - Yanko Design
Trailer Valet TVRVR3: Wireless Remote-Controlled Trailer Mover Robot - 3,500 lbs Capacity, Compact Design, Corrosion-Resistant Aluminum Body, Heavy-Duty Traction Treads for All Terrains - Walmart.com