Siemens 311.1

Built by GEC Alsthom, Siemens

Top speed

80 km/h

50 mph

Power output

794 kW

1,065 hp

Weight

80 t

176,370 lb

Length

14.2 m

46 ft 7 in

Track gauge

1,668 mm

Iberian gauge

Years built

1989–1991

61 units

Overview of the Siemens 311.1

Explore the robust 311.1 diesel locomotive, a powerful unit constructed by GEC Alsthom and Siemens between 1989 and 1991.

Measuring 14.2 meters in length and 2.9 meters wide, this impressive machine boasts a top speed of 80 km/h. Its Bo'Bo' axle configuration and a weight of 80 tons make it perfectly suited for a variety of rail operations.

The 311.1 locomotive, with a power output of 794 kW and a tractive effort of 255 kN, has served key roles with major railway infrastructure administrators and operators in Spain.

Its 1668 mm gauge and dimensions confirm its significance within the rail network. Discover more about this distinctive model and its lasting impact on railway history.

Siemens 311.1 technical specifications

	Value	Imperial / US
Series	GA DE900
Built by	GEC Alsthom, Siemens · 1989–199161 units
Top speed	80 km/h50 mph	50 mph
Power output	794 kW1,065 hp	1,065 hp
Tractive effort	255 kN57,326 lbf	57,326 lbf
Track gauge	1,668 mmIberian gauge5 ft 5⅝ in	5 ft 5⅝ in
UIC axle arrangement	Bo'Bo'
Length	14.2 m46 ft 7 in	46 ft 7 in
Width	2.9 m9 ft 6 in	9 ft 6 in
Height	4.25 m13 ft 11 in	13 ft 11 in
Weight	80 t176,370 lb	176,370 lb