© trainspo.comEMD SW7
Built by EMD
Overview of the EMD SW7
Discover the robust EMD SW7 locomotive, a versatile diesel switcher built between 1949 and 1951.
This powerful machine features an EMD 12-567A prime mover, delivering 895 kW of power output.
The SW7 is recognized for its Bo'Bo' wheel arrangement and standard 1435 mm gauge, making it suitable for a variety of industrial and railway applications.
It has served numerous operators, including Burlington Northern, Union Pacific, and the Belt Railway of Chicago, showcasing its enduring utility in the rail industry.
EMD SW7 technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | EMD · 1949–1951 | |
| Power output | 895 kW1,200 hp | |
| Prime mover | EMD 12-567A | |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Bo'Bo' |
Operators of the EMD SW7
Railway companies that have operated the SW7, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Belt Railway of Chicago | BRC TR4A | United States |
| Belt Railway of Chicago | BRC TR4B | United States |
| Burlington Northern | BN SW7 | United States |
| Indiana Harbor Belt Railroad | IHB SW7 | United States |
| Lehigh Valley Rail Management | LVRB SW7 | United States |
| Private owners group | @private-us SW7 | United States |
| South Buffalo Railway | SB SW7 | United States |
| Union Pacific Railroad | UP SW7 | United States |
| Warren and Saline River Railroad Company | WSR SW14 | United States |
EMD SW7 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
GP7R
Diesel locomotive
1949–1954

EMD
SW14
Diesel locomotive
1949–1951

EMD
SW9 / TR5
Diesel locomotive
1950–1953 · 105 km/h

EMD
TR4
Diesel locomotive
1950

EMD
F7A
Diesel locomotive
1949–1953 · 1,100 kW

EMD
FP7
Diesel locomotive
1949–1953 · 1,100 kW

EMD
GP7
Diesel locomotive
1949–1954 · 1,120 kW

EMD
SW8
Diesel locomotive
1950–1954 · 600 kW
Similar diesel locomotives from other manufacturers

ABL
FS 211
Diesel locomotive
1949–1951 · 40 km/h

Alstom
GA-DE900
Diesel locomotive
80 km/h · 900 kW

BRC&W
33/0
Diesel locomotive
137 km/h · 906 kW

BRC&W
33/1
Diesel locomotive
137 km/h · 906 kW

BRC&W
33/2
Diesel locomotive
137 km/h · 906 kW

BMZ
PKP SM48 / TEM2A
Diesel locomotive
100 km/h · 880 kW

FAUR
CFR 89
Diesel locomotive
100 km/h · 920 kW

Beyer & Peacock
25/1
Diesel locomotive
145 km/h · 932 kW