Alstom Prima H4

Built by Alstom

Top speed

120 km/h

75 mph

Weight

90 t

198,416 lb

Length

18.75 m

61 ft 6 in

Track gauge

1,435 mm

Standard gauge

Axle arrangement

Bo'Bo'

Overview of the Alstom Prima H4

Discover the Prima H4, a versatile hybrid locomotive engineered by Alstom for demanding railway infrastructure operations.

This powerful machine offers an optimal blend of efficiency and performance, reaching a top speed of 120 km/h. Its 1435 mm standard gauge and Bo'Bo' axle configuration make it exceptionally adaptable for a wide range of tasks.

Operating in Switzerland with esteemed companies like Schweizerische Bundesbahnen (SBB) and Sersa Group, the Prima H4 is recognized in the SBB Infrastruktur Aem 940 and Sersa Aem 940 classes.

Measuring 18.75 meters in length and weighing 90 tons, it delivers an impressive tractive effort of 300 kN, ensuring robust and effective performance on the tracks.

Alstom Prima H4 technical specifications

	Value	Imperial / US
Built by	Alstom
Top speed	120 km/h75 mph	75 mph
Tractive effort	300 kN67,443 lbf	67,443 lbf
Track gauge	1,435 mmStandard gauge4 ft 8½ in	4 ft 8½ in
UIC axle arrangement	Bo'Bo'
Length	18.75 m61 ft 6 in	61 ft 6 in
Width	29.55 m96 ft 11 in	96 ft 11 in
Height	44.87 m147 ft 3 in	147 ft 3 in
Weight	90 t198,416 lb	198,416 lb