© trainspo.comOverview of the EMD SD45-2u
Explore the powerful EMD SD45-2u diesel locomotive, a robust machine built for heavy freight operations.
This iconic locomotive, classified as ATSF SD45-2u, proudly served the Atchison, Topeka and Santa Fe Railway in the United States.
Featuring a standard gauge of 1435 mm and a Co'Co' axle configuration, the SD45-2u exemplifies robust engineering and reliable performance on the rails.
Its substantial power and durability made it an essential asset for demanding cargo transport, contributing significantly to railway efficiency.
For in-depth technical details and specifications, a comprehensive data PDF is available at www.atsfrr.com.
EMD SD45-2u technical specifications
| Value | Imperial / US | |
|---|---|---|
| Built by | EMD | |
| Refurbished | ATSF | |
| Track gauge | 1,435 mmStandard gauge4 ft 8½ in | |
| UIC axle arrangement | Co'Co' | |
| Datasheet | www.atsfrr.com |
Operators of the EMD SD45-2u
Railway companies that have operated the SD45-2u, with the class designation used by each of them.
| Operator | Class | Country |
|---|---|---|
| Atchison, Topeka and Santa Fe Railway | ATSF SD45-2u | United States |
EMD SD45-2u 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
AA16
Diesel locomotive
1954–1965 · 133 km/h

EMD
Argentina GA-8
Diesel locomotive
57 km/h

EMD
BB SD40-2
Diesel locomotive
110 km/h

EMD
BB40T-2
Diesel locomotive
105 km/h · 2,240 kW

EMD
BL2
Diesel locomotive
1947–1949 · 1,100 kW

EMD
BL20-2
Diesel locomotive
1992 · 1,500 kW

EMD
BRIAN
Diesel locomotive

EMD
CF7
Diesel locomotive
1969–1978 · 105 km/h
Similar diesel locomotives from other manufacturers

ABB
D9
Diesel locomotive
1995 · 37 km/h

ABB
DE 1002
Diesel locomotive
1982–1993 · 90 km/h

ABB
DE 1024
Diesel locomotive
1989 · 160 km/h

ABB
XPT
Diesel locomotive
1981–1992 · 160 km/h

ABL
ABL V
Diesel locomotive
1955 · 17 km/h

ABL
ABL VI
Diesel locomotive
1975 · 16 km/h

ABL
ABL VII
Diesel locomotive
1960 · 24 km/h

ABL
FS 208
Diesel locomotive
1939–1952 · 30 km/h