Complex sentence: The locomotives were designed to be able to haul 1,000-tonne trains at 100 km/h. Each motor has a 650 kW power output, (about 50% more powerful than the EF65).
Split into simpler sentences: The locomotives were designed to be able to haul 1,000-tonne trains at. Each traction motor has a power output of, (about 50% more powerful than the Class EF65).