| South African Class 18E, Series 1 | 
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| Specifications | 
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 Configuration:
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 |  • AAR | B-B | 
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 |  • UIC | Bo'Bo' | 
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 |  • Commonwealth | Bo-Bo | 
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 | Gauge | 3 ft 6 in (1,067 mm) Cape gauge | 
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 | Wheel diameter | 1,220 mm (48.0 in) | 
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 | Wheelbase | 11,279 mm (37 ft 0.1 in)  | 
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 |  • Bogie | 3,430 mm (11 ft 3.0 in) | 
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 | Pivot centres | 7,849 mm (25 ft 9.0 in) | 
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 | Panto shoes | 6,972 mm (22 ft 10.5 in) | 
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 Length:
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 |  • Over couplers | 15,494 mm (50 ft 10.0 in) | 
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 |  • Over body | 14,631 mm (48 ft 0 in) | 
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 | Width | 2,896 mm (9 ft 6.0 in) | 
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 Height:
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 |  • Pantograph | 4,089 mm (13 ft 5.0 in) | 
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 |  • Body height | 3,937 mm (12 ft 11.0 in) | 
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 | Loco weight | 88,904 kg (196,000 lb) max | 
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 | Electric system/s | 3 kV DC catenary | 
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 | Current pickup(s) | Pantographs | 
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 | Loco brake | Air & Rheostatic | 
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 | Train brakes | Air & Vacuum | 
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 | Couplers | AAR knuckle | 
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| Career | 
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 | Operators | Spoornet Transnet Freight Rail PRASA | 
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 | Class | Class 18E | 
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 | Number in class | 446 | 
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 | Numbers | 18-001 to 18-420 18-500 to 18-525 | 
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 | Delivered | 2000-2009 | 
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 | First run | 2000 | 
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The Spoornet Class 18E, Series 1 of 2000 is a South African electric locomotive.
Beginning in 2000, Spoornet embarked on a program to rebuild Class 6E1 locomotives to Class 18E, Series 1 locomotives. Most of the Class 6E1s which had previously been reclassified or modified to Class 16E or Class 17E respectively were rebuilt to Class 18E as well.