GE AC4400CW

Specifications
Specifications
Configuration:;
• AAR	C-C
• UIC	Co'Co'
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	42 in (1,067 mm)
Wheelbase	13 ft 2 in (4.01 m)
Length	73 ft 2 in (22.30 m)
Height	15 ft 6 in (4.72 m)
Loco weight	426,000 lb (193,000 kg)
Fuel capacity	5,000 US gal; (19,000 L; 4,200 imp gal)
Traction motors	6

Type and origin
Type and origin
Power type	Diesel-electric
Builder	GE Transportation Systems
Model	AC4400CW
Build date	1993 – 2004
Total produced	2,834

GE AC4400CW
GE AC4400CW
	A conductor rides on a pair of CSX AC4400CW locomotives in Worcester, MA.
Power type
Type and origin
Power type	Diesel-electric
Builder	GE Transportation Systems
Model	AC4400CW
Build date	1993 – 2004
Total produced	2,834
Configuration:;
Specifications
Configuration:;
• AAR	C-C
• UIC	Co'Co'
Gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Wheel diameter	42 in (1,067 mm)
Wheelbase	13 ft 2 in (4.01 m)
Length	73 ft 2 in (22.30 m)
Height	15 ft 6 in (4.72 m)
Loco weight	426,000 lb (193,000 kg)
Fuel capacity	5,000 US gal; (19,000 L; 4,200 imp gal)
Traction motors	6
Power output
Performance figures
Power output	4,400 hp (3,300 kW)
Tractive effort	180,000 lbf (800 kN) Starting; 145,000 lbf (640 kN) at 13.7 mph (22.0 km/h)
Operators
Career
Operators	Various, see table
Locale	North America

The GE AC4400CW, sometimes referred 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 like the Dash 9-44CW, but features AC traction motors instead of DC, with a separate inverter per motor. In appearance, the AC4400CW is somewhat similar to GE's more powerful locomotive, the AC6000CW.

2,834 units were built for North American railroads over an 11-year production. In 2005, all Class I freight railroads except Norfolk Southern and Canadian National owned at least one AC4400CW. Norfolk Southern ordered the very similar C40-9Ws, although NS would later acquire 36 former CEFX AC4400CWs in August 2023. As a result of more stringent emissions requirements that came into effect on January of that year, GE no longer offers the AC4400CW, replacing it with the ES44AC.

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