Indian locomotive class WAM-2
The WAM-2 class were Indian Railways electric locomotives built in Japan by a Mitsubishi-Hitachi-Toshiba consortium between 1960 and 1964. WAM stands for broad gauge (W), alternating current (A), mixed-traffic (M), second generation (2). A total of 38 locomotives were made: 36 WAM-2 and 2 WAM-3.
Key specs:
- Gauge: 5 ft 6 in (1,676 mm); Bo-Bo wheel arrangement
- Length 14.6 m; width 3.152 m; height 4.165 m
- Axle load 19,000 kg; locomotive weight 76,000 kg
- Electric system: 25 kV 50 Hz AC overhead, pantograph
- Traction motors: Mitsubishi MB 3045-A
- Max speed: 120 km/h; peak power 2,910 hp (2,170 kW); continuous power 2,790 hp (2,081 kW)
- Starting tractive effort: 25,240 kgf
Service and use:
- Operators: Indian Railways; numbers 20300–20335 for WAM-2 and 20336–20337 for WAM-3
- First run: 1960; last runs: early 2000s
- Used across the ER-SER-NER-NR regions for both passenger and freight duties; sometimes ran double-headed for freight
- In 1980, top speed was raised to 120 kg/h to help haul the Howrah Rajdhani
- The WAM-3 were two modified WAM-2 units with pantographs facing the opposite direction and silicon diode rectifiers
End of service:
- By the early 2000s, all had been withdrawn from service; none were preserved, and all were scrapped.
This page was last edited on 3 February 2026, at 13:05 (CET).