© trainspo.comEMD GT46MAC
Built by DLW, EMD
Overview of the EMD GT46MAC
Discover the powerful GT46MAC diesel locomotive, a versatile workhorse designed for heavy-duty operations.
This impressive machine, built by DLW and EMD, boasts a robust EMD 16-710G3B prime mover delivering a formidable 3000 kW of power output.
With a top speed of 120 km/h and a substantial tractive effort of 540 kN, the GT46MAC is engineered for efficiency and performance on the broad 1676 mm gauge.
Serving with Indian Railways as the IR WDG-4 class, this Co'Co' articulated locomotive plays a crucial role in freight transportation, showcasing its reliable engineering and enduring legacy in the rail industry.
Its substantial weight of 126 tons and impressive length of 21.3 meters underscore its capacity for demanding railway applications.
EMD GT46MAC technical specifications
| Value | Imperial / US | |
|---|---|---|
| Series | GT46 | |
| Built by | DLW, EMD · 1999 | |
| Top speed | 120 km/h75 mph | |
| Power output | 3,000 kW4,023 hp | |
| Tractive effort | 540 kN121,397 lbf | |
| Prime mover | EMD 16-710G3B | |
| Track gauge | 1,676 mmIndian broad gauge5 ft 6 in | |
| UIC axle arrangement | Co'Co' | |
| Length | 21.3 m69 ft 11 in | |
| Height | 4.12 m13 ft 6 in | |
| Weight | 126 t277,782 lb |
Operators of the EMD GT46MAC
Railway companies that have operated the GT46MAC, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Indian Railways | IR WDG-4 | India |
EMD GT46MAC photos
Photos © their respective authors, shared on trainspo.com. They may show liveries or variants that differ from the specifications above.
More diesel locomotives from EMD

EMD
GR12 1676
Diesel locomotive
114 km/h

EMD
SD40 M2 Chile
Diesel locomotive
134 km/h · 2,240 kW

EMD
GT46CWM
Diesel locomotive
115 km/h · 3,030 kW

EMD
JT42CWR
Diesel locomotive
1998 · 120 km/h

EMD
SD70ACu
Diesel locomotive
121 km/h · 3,207 kW

EMD
SNCFT 040-GT
Diesel locomotive
1999 · 130 km/h

EMD
SD70M-2
Diesel locomotive
113 km/h · 3,200 kW

EMD
GT46PAC
Diesel locomotive
2010 · 150 km/h
Similar diesel locomotives from other manufacturers

ALCo
PR ALPW 18
Diesel locomotive
120 km/h

AE Goodwin
C30-MMi
Diesel locomotive
115 km/h

Alstom
AD32C
Diesel locomotive
2000 · 110 km/h

BLW
WDM-3A
Diesel locomotive
1994 · 120 km/h

BLW
WDP–2 / WDP-3A
Diesel locomotive
1998–2002 · 140 km/h

Vossloh
Euro 4000
Diesel locomotive
2006–2017 · 120 km/h

Freight Australia
XR class
Diesel locomotive
2004–2006 · 115 km/h

ALCo
C36-7M
Diesel locomotive
2,685 kW