EMD SD45u

Built by EMD

Power output

2,680 kW

3,594 hp

Track gauge

1,435 mm

Standard gauge

Years built

1965–1971

1,260 units

Axle arrangement

Co'Co'

Overview of the EMD SD45u

Discover the powerful SD45u, a distinguished diesel locomotive with a rich history.

This robust engine, originally built by EMD between 1965 and 1971, was later refurbished by the Atchison, Topeka and Santa Fe Railway (ATSF) from 1979 to 1989, earning the classification ATSF SD45u.

Operating on a 1435 mm gauge, the SD45u features a Co'Co' wheel arrangement and is powered by an EMD 20-645E3 prime mover, delivering an impressive 2680 kW of power output.

Experience the strength and heritage of this iconic locomotive, a testament to American railway engineering.

EMD SD45u technical specifications

	Value	Imperial / US
Built by	EMD · 1965–19711,260 units
Refurbished	ATSF 1979 - 1989 (84)
Power output	2,680 kW3,594 hp	3,594 hp
Prime mover	EMD 20-645E3
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Co'Co'