| WAG-4 |
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| Type and origin |
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| Power type | Electric |
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| Builder | CLW |
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| Build date | 1967–1969 |
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| Total produced | 186 |
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| Specifications |
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Configuration:
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| • AAR | B-B |
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| • UIC | B-B |
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| Gauge | 5 ft 6 in (1,676 mm) |
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| Bogies | Monomotor B-B bogies |
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| Wheel diameter | New: 1,140 mm (3 ft 9 in)
Half worn: 1,120 mm (3 ft 8 in)
Full worn: 1,064 mm (3 ft 6 in) |
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| Length | 14.600 m (47 ft 10+13⁄16 in) |
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| Width | 3.109 m (10 ft 2+13⁄32 in) |
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| Height | 4.165 m (13 ft 7+31⁄32 in) |
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| Axle load | 18,640 kg (41,090 lb) |
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| Loco weight | 74,000 kg (163,000 lb) |
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| Electric system/s | 25 kV 50 Hz AC Overhead |
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| Current pickup(s) | Pantograph |
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| Traction motors | Siemens/ACEC/Alstom MG 710A (740hp, 1250V, 480A, 1000 rpm). Fully suspended, force-ventilated. |
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| Loco brake | Air |
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| Train brakes | Vacuum |
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| Performance figures |
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| Maximum speed | 112 km/h (70 mph) |
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| Power output | 2,930 hp (2,185 kW) |
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Tractive effort:
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| • Starting | 25,000 kgf (250 kN; 55,000 lbf) |
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| Career |
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| Operators | Indian Railways |
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| Numbers | 20700-20709 (Niv. / SFAC) 20710-20791 (CLW) 20849-20868 (Niv. / SFAC) |
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| Locale | All over India |
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| Disposition | Retired |
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The Indian locomotive class WAG-4 is a class of 25 kV AC electric locomotives that was manufactured by CLW in the late 1960s for Indian Railways. The model name stands for broad gauge (W), AC Current (A), Goods traffic (G) engine, 1st (1). A total of 186 WAG-4 locomotives were built by The European Group 50 Hz Group/European Group/50 Cycles Group (consortium) between 1967 and 1969. They entered service in 1967.
The WAG-4 served both passenger and freight trains for over 40 years. As of January 2020, after removal from service, all but one were scrapped.
