The TrailerCaddyHD Chain is manufactured for moving king pin, pintle, and covered equipment trailers, as well as campers up to 50,000 lbs. The TrailerCaddy Tractor Trailer Pusher has a 5000 lbs hydraulic lift kit designed to lift up king pin, ball, or pintle hitch type of trailer connections. The most common environment requiring a TrailerCaddy Chain Drive are RV and camper dealerships, military bases, and vehicle maintenance locations at government repairs centers. The Power Trailer Mover where constant movement of king pin wheeled equipment in areas typically too confined for conventional fork trucks or large tow vehicles. The TrailerCaddy power, size, and price tag make it a more effective and affordable alternative or risking a possible injury from employees strong-arming the equipment.