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BNSF C44-9W No. 5518 at the Port of Long Beach, California, February 4, 2005.

By User:Morven - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=54301

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BNSF C44-9W No. 5518 at the Port of Long Beach, California, February 4, 2005.
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Classic Streamliners - TRAIN​CYCLOPEDIA

GE Dash 9-44CW
The GE C44-9W is a 4,400 hp (3,281 kW) road switcher diesel-electric locomotive built by GE Transportation Systems of Erie, Pennsylvania. Keeping in tradition with GE's locomotive series nicknames beginning with the "Dash 7" of the 1970s, the C44-9W was dubbed the Dash 9 upon its debut in 1993.

Part of GE's "Dash 9" series of locomotives, the Dash 9-44CW shares its frame, HiAd trucks, 16-cylinder 7FDL engine, and 752AH-31 traction motors with the GE Dash 9-40CW. But while the more common 9-44CW offers 4,400 horsepower (3,300 kW), software in the 9-40CW's engine-governing unit restricts its power output to 4,000 horsepower (3,000 kW).

The design has since proven popular with North American railroads, although some railroads, like CSX and Canadian Pacific, preferred its AC equivalent, the AC4400CW. Because of more stringent emissions requirements that came into effect in the United States on January 1, 2005, the Dash 9-44CW has been replaced in production by the GE ES44DC.

Many North American railroads have ordered the C44-9W. They were originally ordered by Chicago & North Western Railway, Santa Fe, BNSF, CSX, Southern Pacific, Canadian National Railway, BC Rail, and Union Pacific Railroad. Norfolk Southern purchased the very similar Dash 9-40CWs.

BNSF Dash 9 No. 4723 is featured as a drivable locomotive in Microsoft Train Simulator and the actual Dash 9 has stickers on its cab noting this, and Dash 9s are also featured as drivable locomotives in RailWorks 3 and Trainz Simulator.

Rebuilds
The BNSF AC44C4M is a GE C44-9W rebuilt with AC traction motors and an A1A-A1A wheel arrangement. The internal controls are similar to those of the newer GE ES44C4.

Norfolk Southern also is experimenting with converting their Dash 9-44CW units to A.C. the first unit, (8900) is still being tested. As of November 2015, the rebuild have been officially classified as an AC44C6M.

Original owners

Owner: Atchison, Topeka and Santa Fe Railway

Quantity: 100
Road numbers: 599-665, 667-699
Notes: All now in service with the Burlington Northern and Santa Fe Railway.

Owner: BC Rail

Quantity: 14
Road numbers: 4641-4654
Notes: 4641-4644 are model C44-9WL.

Owner: BNSF Railway

Quantity: 1,697
Road numbers: 700-799, 960-1123, 4000-4199, 4300-5532
Notes: 700-799 are currently being converted to AC44C4Ms. 5530-5532 were originally warranty protection units 5841-5843.

Owner: Canadian National Railway

Quantity: 228
Road numbers: 2500-2522WL, 2523-2727CW
Notes: 2500-2522 are model C44-9WL, 2523-2696 are model C44-9CW, 2697-2726 are operated by Illinois Central.

Owner: Chicago and North Western Transportation Company

Quantity: 130
Road numbers: 8601-8730
Notes: All have been repainted or patch-renumbered into the Union Pacific Railroad's rosters.

Owner: CSX Transportation 

Quantity: 53
Road numbers: 9000-9052
Notes: All units still in service that are on the active roster. Three of the units: 9018, 9043, and 9049 were sold to GECX in late 2017. The remainder are still on CSX's roster as of September 2018.

Owner: Estrada de Ferro Carajás (Brazil)

Quantity: 67
Road numbers: 801-867
Notes: model C44-9WM.

Owner: Ferrovia Norte do Brasil S/A (Brazil)

Quantity: 50
Road numbers: 9001-9050
Notes: model C44-9WM.

Owner: Fortescue Metals Group, Western Australia

Quantity: 15
Road numbers: 001-015
Notes: Fitted with ECP brakes from New York Air Brake.

Owner: General Electric

Quantity: 1
Road number: 905
Notes: testbed.

Owner: Pilbara Rail, Western Australia

Quantity: 72
Road numbers: 7043-7050, 7053-7098, 9404-9409, 9428-9436, 9470-9472 (re-numbered to 9401-9403)

Owner: Quebec North Shore and Labrador Railway

Quantity: 11
Road numbers: 404-414

Owner: Southern Pacific Railroad

Quantity: 101
Road numbers: 8100-8200
Notes: All have been repainted into the Union Pacific livery. The last patched SP C44-9W was No. 9647, and was repainted in December 2014.

Owner: Union Pacific Railroad

Quantity: 270
Road numbers: 9564-9834
Notes: 9564-9664 are ex Southern Pacific. 9665-9700/9740-9834 are ex Chicago and Northwestern. 9700-9739 are original. UP 9707 wrecked.

Owner: GE Capital Leasing (GECX)

Quantity: 3
Road numbers: 9018, 9043, 9049
Notes: Units are former CSX, which were on lease to Norfolk Southern Railway, until Late January 2019.

GE C44-9W Overview
Type and origin
Power type: Diesel-electric
Builder: GE Transportation Systems
Model: C44-9W
Build date: 1993–2004
Specifications
Configuration:
​ • AAR: C-C
 • UIC: Co′Co′
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge; 5 ft 3 in (1,600 mm), Brazil
Trucks: GE HiAd
Wheel diameter: 42 in (1,067 mm)
Length: 73 ft 8 in (22.45 m)
Width: 10 ft 3 in (3.12 m)
Height: 16 ft 0 in (4.88 m)
Locomotive weight: 425,000 lb (192,800 kilograms), or 212.5 tons (189.7 long tons; 192.8 t)
Fuel capacity: 5,000 US gal (19,000 l; 4,200 imp gal)
Prime mover: GE 7FDL16
Engine type: four stroke cycle V16 diesel engine
Aspiration: Turbocharged
Alternator: GE GMG197
Traction motors: GE 5GE752AH DC traction motors
Cylinders: 16
Transmission: diesel electric with silicon diode rectifiers,
Performance figures
Maximum speed: 74 mph (119 km/h)
Power output: 4,400 hp (3,281 kW)
Tractive effort: Continuous: 105,640 lbf (469.9 kN),
Starting: 142,000 lbf (631.6 kN)
Career
Locale: North America, Brazil, Australia

See also:

GE Transportation

GE Diesel-Electric Locomotives