 It is a heavier locomotive, with the axle load increased to and with improved tractive effort to make it more suitable for service on the Coalink line.It makes use of more advanced electronically controlled pneumatic (ECP) brake system technology to control the train's air brakes through electrical signals, which improves the train's braking response time and results in improved safety and reliability.The four-axle locomotive is capable of an output of and a speed of .