The bogies weigh only 15.8 tonnes and are equipped with radially steered axles. This reduces rail wear significantly. A redesigned bogie construction was refitted by the manufacturer in the mid-2000s after the locomotives were found to oscillate sideways when running at speeds of over .
The bogies have a low weight of 15.8 tonnes and are equipped with axles that can steer radially, which reduces rail wear. The manufacturer updated the bogie design in the mid-2000s after the locomotives were found to tilt sideways when running at high speeds.