5000 lbs. loading capacity: this trailer mover has a pulling capacity of up to 5000 lbs. and a jockey wheel load of 600 lbs. which allows you to steer the trailer effortlessly and the electric components inside the control box help protect the motor from overheating damage， the powerful 12-Volt DC 350-Watt motor provides power to the gear mechanism， and the reduction gears convert motor power into moving force

7.5 in. pneumatic tires: to allow for optimal torque， the heavy-duty wheel of the motorized trailer dolly has a gear ratio of 326:1， with a width of 2.8 in. and a diameter of 7.5 in. it ensures excellent traction on any surface， featuring an automatic brake function for reliable security

Convenient operation: the electric trailer dolly is equipped with 2 control handles， the height of the jockey wheel can be easily controlled by turning the lift handle， the forward and backward movement can be performed at your fingertips and you should pay attention that the mounting bracket must fit perfectly with a raised part on the shaft， and the product cannot be used on a ramp greater than 5°， dirt and gravel roads

Aluminum alloy material: this electric trailer jack is constructed with heavy-duty aluminum alloy material， providing you with quality service for years to come， this premium material has enhanced durability and extended the service life

Wide application: this trailer jockey wheel is equipped with a mounting bracket for convenient attachment to your trailer， it is widely used to move your caravan， boat trailer， or horse trailer， suitable for confined spaces， like yards， carports， driveways， caravan parks， etc.

Specifications: motor: 12-Volt/350-Watt

Maximum incline: 5°

Tire diameter: 8 in. (190 mm)

Maximum speed: 22 ft./minutes

Maximum vehicle load: 5000 lbs. (2270 kg)

Maximum jockey wheel load: 600 lbs. (272 kg)

Adjusted clamp height: 12.6 in. to 16.5 in. (320 mm to 420 mm)

Package content: 1 x motorised jockey wheel， 1 x mounting bracket， 1 x battery leads， 1 x pair of bolts