| WCAG–1 |
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| Specifications |
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Configuration:
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| • UIC | Co'Co' |
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| Gauge | 5 ft 6 in (1,676 mm) |
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| Bogies | Alco High-Adhesion bogies |
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| Wheel diameter | New: 1,092 mm (3 ft 7 in)
Half-worn: 1,055 mm (3 ft 5+1⁄2 in)
Full-worn:
1,016 mm (3 ft 4 in) |
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| Wheelbase | 13,380 mm (43 ft 11 in) |
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| Length | 19,880 mm (65 ft 3 in) |
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| Width | 3,000 mm (9 ft 10 in) |
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| Height | 4,100 mm (13 ft 5 in) |
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| Axle load | 21.33 tonnes (20.99 long tons; 23.51 short tons) |
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| Loco weight | 128 tonnes (126 long tons; 141 short tons) |
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| Electric system/s | 25 kV 50 Hz AC
1.5 kV DC (past) |
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| Current pickup(s) | Pantographs one each for AC and DC(past) (both now used for AC) |
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| Traction motors | 6 Hitachi HS15250A |
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| Gear ratio | 16:65 |
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| MU working | 3 |
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| Loco brake | Air and Regenerative |
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| Train brakes | Air |
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| Safety systems | TPWS (Train Protection and Warning System), Vacuum Control, Slip/Slide Control, Main Overload Relay, Motor Over Load Relay, No Volt Relay, Over Voltage Protection and Earth Fault Relay, Oil Pressure Governor |
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| Performance figures |
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| Maximum speed | 100 km/h (62 mph) DC, 100 km/h (62 mph) AC |
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| Power output | 4,600 hp (3,400 kW) DC
5,000 hp (3,700 kW) AC |
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| Tractive effort | Starting : 300 kN (67,000 lbf) |
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| Career |
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| Operators | Central Railways |
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| Numbers | 21970 - 21981 |
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| Locale | Central Railways (Kalyan) |
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| Delivered | 1999-2000 |
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| First run | 1999 |
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| Disposition | Active |
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The Indian locomotive class WCAG–1 is a class of dual-power AC/DC series locomotives used in the Indian Railways system. They are the only class of the WCAG locomotives. They were specifically designed for use by Central Railways in the Ghat section towards Nashik and Pune.