GE AC4400CW

Common card · No. 281703

The GE AC4400CW, sometimes referred to as "AC44CW", is a 4,400 horsepower (3,300 kW) diesel-electric locomotive that was built by GE Transportation Systems between 1993 and 2004. It is similar to the Dash 9-44CW, but uses AC traction motors instead of DC, with a separate inverter per motor. 3,018 units were built for North American railroads over an 11-year production and 577 AC44i units for the Brazilian railroads. In 2005, all Class I freight railroads except Norfolk Southern and Canadian National owned at least one AC4400CW. Both Norfolk Southern and Canadian National ordered the very similar Dash 9s, although NS would later acquire 36 former CEFX AC4400CWs in August 2023, with 11 being rebuilt into AC44C6Ms and 25 being sold to Wabtec and subsequently Ferromex. As a result of more stringent emissions requirements that came into effect in January 2005, GE no longer offers the AC4400CW, replacing it with the ES44AC. A 6,000 Horsepower (4,500kW) version was offered, known as the AC6000CW.

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