EMD SD40

Built by EMD

Weight

160 t

352,739 lb

Length

20.02 m

65 ft 8 in

Track gauge

1,435 mm

Standard gauge

Years built

1966–1972

Axle arrangement

Co'Co'

Overview of the EMD SD40

Discover the enduring power of the EMD SD40 diesel locomotive, a true icon of railway engineering.

Built between 1966 and 1972, the SD40 is celebrated for its robust design and unwavering reliability, making it a workhorse for a wide array of rail operations.

This particular example, classified as SP SD40R, served the Southern Pacific Transportation Company in the United States, showcasing its impressive capabilities in demanding logistical tasks.

Measuring 20.02 meters in length and weighing a substantial 160 tons, the SD40 is a formidable machine engineered for heavy-duty service.

Its Co'Co' axle configuration and standard 1435 mm gauge ensure compatibility with numerous railway networks across the globe.

Refurbished by Southern Pacific in the early 1980s, this locomotive continued its legacy of efficient and dependable performance for many years.

Explore the rich history and detailed specifications of this influential locomotive that played a significant role in shaping modern rail transport.

EMD SD40 technical specifications

	Value	Imperial / US
Built by	EMD · 1966–1972
Refurbished	SP 1980 - 1981 (86)
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Co'Co'
Length	20.02 m65 ft 8 in	65 ft 8 in
Width	3.05 m10 ft 0 in	10 ft 0 in
Height	4.7 m15 ft 5 in	15 ft 5 in
Weight	160 t352,739 lb	352,739 lb