Camper Trolley ct 2500 rs (2 speeds). Campertrailermover.com largest model moves up to 9000lbs 

This shows real time action to see and hear the trolley work and how fast to take around corner and up to the hitch ball behind large motorhome.
Camper Trolley Sales, LLc introduced the trolley to the United States in 20012. We are the original! The Camper Trolley is THE MOST WIDELY USED TRAILER MOVER IN THE WORLD! WE ARE HERE BEFORE, DURING AND AFTER THE SALE. Go to campertrailermover.com for product details, models, photos, reviews and videos