The South African Railways Class 34-000 of 1971 is a diesel-electric locomotive.
Quick Facts Type and origin, Power type ...
South African Class 34-000 |
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Type and origin |
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Power type | Diesel-electric |
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Designer | General Electric |
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Builder | General Electric SA GE-DL Locomotive Group |
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Serial number | 37810-37934 |
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Model | GE U26C |
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Build date | 1971-1973 |
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Total produced | 125 |
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Specifications |
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Configuration:
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• AAR | C-C |
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• UIC | Co'Co' |
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• Commonwealth | Co+Co |
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Gauge | 3 ft 6 in (1,067 mm) Cape gauge |
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Wheel diameter | 915 mm (36.0 in) |
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Wheelbase | 13,004 mm (42 ft 8.0 in) |
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• Bogie | 3,188 mm (10 ft 5.5 in) |
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Pivot centres | 10,058 mm (33 ft 0 in) |
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Length:
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• Over couplers | 17,982 mm (59 ft 0 in) |
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Width | 2,756 mm (9 ft 0.5 in) |
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Height | 3,962 mm (13 ft 0 in) |
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Axle load | 18,850 kg (41,560 lb) |
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Adhesive weight | 113,100 kg (249,300 lb) |
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Loco weight | 113,100 kg (249,300 lb) max |
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Fuel type | Diesel |
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Fuel capacity | 5,400 litres (1,200 imp gal) as built 7,000 litres (1,500 imp gal) mod. |
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Prime mover | GE 7FDL-12 |
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RPM range | 450-1,050 |
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• RPM low idle | 450 |
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• RPM idle | 535 |
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• Maximum RPM | 1,050 |
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Engine type | 4 stroke diesel |
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Aspiration | Elliott H-581 turbocharger |
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Alternator | 10 pole 3 phase GE 5GT-A11C1 |
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Traction motors | Six GE 5GE-761A13 DC 4 pole |
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• Rating 1 hour | 665A |
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• Continuous | 655A @ 24 km/h (15 mph) |
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Cylinders | V12 |
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Gear ratio | 92:19 |
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MU working | 6 maximum |
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Loco brake | 28-LAV-1 with vigilance control |
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Train brakes | Westinghouse 6CDX4UC compressor/exhauster |
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Air tank cap. | 825 litres (181 imp gal) |
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Compressor | 0.039 m3/s (1.4 cu ft/s) |
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Exhauster | 0.155 m3/s (5.5 cu ft/s) |
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Couplers | AAR knuckle type E |
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Performance figures |
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Maximum speed | 100 km/h (62 mph) |
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Power output:
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• Starting | 2,050 kW (2,750 hp) |
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• Continuous | 1,940 kW (2,600 hp) |
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Tractive effort:
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• Starting | 272 kN (61,000 lbf) @ 25% adh. |
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• Continuous | 218 kN (49,000 lbf) @ 26 km/h (16 mph) |
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Factor of adh.:
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• Starting | 25% |
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• Continuous | 20% |
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Brakeforce | 60% ratio @ 345 kPa (50.0 psi) |
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Dynamic brake peak effort | 180 kN (40,000 lbf) @ 29 km/h (18 mph) |
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Career |
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Operators | South African Railways Spoornet Transnet Freight Rail PRASA |
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Class | Class 34-000 |
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Number in class | 125 |
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Numbers | 34-001 to 34-125 |
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Delivered | 1971-1973 |
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First run | 1971 |
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Close
Between July 1971 and March 1973, the South African Railways placed 125 Class 34-000 General Electric type U26C diesel-electric locomotives in service.[1]