CRRC Datong SS7E

Built by Dalian, Datong

Top speed

170 km/h

106 mph

Weight

126 t

277,782 lb

Track gauge

1,435 mm

Standard gauge

Years built

2001–2006

146 units

Axle arrangement

Co'Co'

Overview of the CRRC Datong SS7E

Explore the powerful SS7E electric locomotive, a robust model from the China Railway Corporation. Built between 2001 and 2006 by Dalian and Datong, this locomotive features a 1435 mm gauge and a Co'Co' axle configuration.

Reaching a top speed of 170 km/h, the SS7E delivers a tractive effort of 245 kN, making it well-suited for various railway operations. Its substantial 126-tonne weight and 21-tonne axle load underscore its durable construction.

Operating on 25 kV AC 50 Hz electric systems, the SS7E ensures efficiency and reliability. With a width of 3.1 meters and a height of 4.12 meters, this locomotive stands as a significant achievement in Chinese railway engineering.

CRRC Datong SS7E technical specifications

	Value	Imperial / US
Series	SS7 韶山7
Built by	Dalian, Datong · 2001–2006146 units
Top speed	170 km/h106 mph	106 mph
Tractive effort	245 kN55,078 lbf	55,078 lbf
Electric systems	25 kV AC 50 Hz
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Co'Co'
Width	3.1 m10 ft 2 in	10 ft 2 in
Height	4.12 m13 ft 6 in	13 ft 6 in
Weight	126 t277,782 lb	277,782 lb
Axle load	21 t46,297 lb	46,297 lb