Electric Trailer Tug 1.Output power:300N.M 2.Size:350x590mm 3.Speed:10km/h/can quicker if needed 4.Wheel size:3.50-4 Electric Trailer Tug1.Output power:300N.M2.Size:350x590mm3.Speed:10km/h/can quicker if needed4.Wheel size:3.50-45.N.W.:34KGS6.Packing:wooden carton or steel frame Electric trailer dolly