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The reference for locomotives and railcars

Indian Railways class WAM-1

India 1959 100 produced
No. 20202 “Jagjivan Ram” is now the only surviving WAM-1 IRFCA Photo Gallery

The WAM-1 was the first AC electric locomotive in India. It was developed and built by the European 50 Hz Group and its name stands for “Wide gauge, AC, Mixed service, first generation”. The French electric locomotives from this period served as models, although production was also carried out by Krauss-Maffei and Krupp.

In parallel with the WAM-1, Indian Railways also ordered the WAM-2 and WAM-3 from Japanese manufacturers. The WAM-1 was mainly used by the Eastern Railway in the Ganges plain. The use in passenger service ended with the introduction of the new three-phase locomotives in the 1990s. After that, they were only used in front of freight trains and in shunting duties. In the meantime, all of them have been withdrawn, only No. 20202 “Jagjivan Ram” being preserved.

Technical data

General

Built
1959-1961
Manufacturers
50 c/s Group, Krauss-Maffei, Krupp, SFAC, La Brugeoise et Nivelles
Wheel arrangement
B-B
Gauge
1,676 mm (Indian broad gauge)

Dimensions and weights

Length
15.89 m
Service mass
74 t
Adhesion mass
74 t
Axle load
18.6 t

Power

Power source
electric - AC
Continuous power
2,140 kW (2,910 PS)
Top speed
113 km/h
Starting effort
245.0 kN

Calculated values

Factor of adhesion
1 : 2.96
Power-to-weight ratio
28.9 kW/t
Adhesive weight/Total
1 : 1.00
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