Boatyard and shipyard towing tractor
(electric) Powermover
DC2 / DC3
This 12 volt, two wheel trailer dolly can handle a tongue weight of 1,000 pounds and push 2,500 pounds up an incline. Comes with a Coupler or Arm/Receiver and Electric Brake. Speed is 10 feet per minute.
MODEL DC3 uses the same motor but has 3 Wheels $899 Model DC4 uses the same motor but has 4 Wheels $999