The GE C40-8W, sometimes referred to as "Dash 8-40CW", "D8-40CW" or "8-40CW", is a 4,000 horsepower (2,980 kW) bi-mode locomotive that was built by GE Transportation Systems between 1989 and 1993. The Dash 8 was designed to succeed the Dash 7 series. Most notably, the Dash 8 series included a micropressor, which was used since the Dash 8, 9, AC4400CW, ES44AC, etc. The "W" suffix indicates the new "Wide-Nose" cab.
