Park small campers and utility trailers with Trailer Dolly Depot’s TDD3500 electric trailer mover. Suitable for ball-mounted trailers up to 3,500 lbs Gross Weight and 350 lbs Tongue Weight. With a variable speed thumb throttle, move up to 1.5 mph in either forward or reverse to park with confidence and efficiency. A special ball mount adapter provides a secure connection to prevent tipping while connected to your trailer. Interchangeable hitch balls come in 1 ⅞” and 2” diameters, compatible with most small trailers. The dolly includes two pre-installed rechargeable 12V lead acid batteries, boasting 9Ah of use. Maneuvering the dolly is easy with the 13-inch drive tires, offering grip on multiple surfaces, including concrete, asphalt, and packed dirt. The rear caster wheel provides 360-degree swivel and additional stability, while the foot bar offers more leverage. The frame is a single, solid piece made from heavy-duty, heat-treated steel. The sturdy square tubing is then powder coated for a sleek and durable finish that will hold up to use and weather exposure. Features Solid steel constructionSingle piece of powder-coated steel. Variable-speed motor800 watt brushless motor with adjustable speed up to 1.5 mph via control lever. Battery status displayShows battery level while in operation. Button controls power to handle accessories. Directional switchSwitch that controls operational direction. Overload protectionAutomatically shuts down when overloaded. 12V sealed lead acid batteriesPre-installed rechargeable batteries with 9Ah. 13-inch drive tiresProvide grip on multiple surfaces including concrete, asphalt, and packed dirt. 8-inch third wheelRear caster wheel with 360 degree swivel. Foot barGet extra leverage for moving and steering. Secure ball mount connectionTightens to the coupler for a stable and secure hold. Technical specifications Capacity: 3,500 lbs GVWR, 350 lbs tongue weight Power supply: Two 12V Sealed Lead Acid Batteries, 9Ahr Hitch ball: 2”, 1 7/8” Assembled weight: 96 lbs Assembled dimensions: 48” L x 24” W x 36” H Product number: 628068124010 Storage & Maintenance Keep the tire pressure at 30 PSI. Lights on the speed controller indicate battery level. These will only illuminate during operation. Keep the dolly in a cool, dry place, where it is protected from the elements (such as a garage).