The KTM Class 22 is a class of mainline diesel electric locomotives designed and equipped by English Electric-AEI Traction, with construction by Metro-Cammell, for operations by Keretapi Tanah Melayu in Malaysia.
Quick Facts Keretapi Tanah Melayu class 22, Type and origin ...
Keretapi Tanah Melayu class 22 |
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Preserved locomotive 22102 in August 2023 |
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Specifications |
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Configuration:
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• Commonwealth | Co-Co |
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Gauge | 1,000 mm (3 ft 3+3⁄8 in) |
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Bogies | English Electric bolsterless low weight transfer |
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Wheel diameter | 3 ft 2 in (0.965 m) |
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Wheelbase | 11 ft 8 in (3.556 m) bogie |
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Length | 48 ft (14.630 m) over headstocks |
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Width | 9 ft 0+1⁄2 in (2.756 m) |
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Height | 12 ft 7 in (3.835 m) |
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Axle load | 14 long tons (14.2 t; 15.7 short tons) |
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Loco weight | 82+1⁄2 long tons (83.8 t; 92.4 short tons) |
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Fuel type | Diesel |
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Fuel capacity | 800 imp gal (3,600 L) |
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Sandbox cap. | 560 lb (250 kg) |
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Prime mover | English Electric 8CSVT Mk III |
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RPM: | |
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• RPM idle | 450rpm |
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• Maximum RPM | 900 rpm |
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Engine type | four stroke, four valves per cylinder |
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Aspiration | turbocharged, intercooled |
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Generator | EE822/16J |
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Traction motors | AEI-253 |
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Cylinders | 8 Vee |
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Cylinder size | 10 in × 12 in (254 mm × 305 mm) |
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MU working | not fitted |
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Loco brake | Air, proportional control, dynamic |
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Train brakes | Vacuum |
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Performance figures |
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Maximum speed | 60 miles per hour (97 km/h) |
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Power output | 1,710 hp (1,280 kW) gross, 1,500 hp (1,120 kW) net |
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Tractive effort:
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• Starting | 58,300 lbf (259.3 kN) |
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• Continuous | 40,300 lbf (179.3 kN) at 12 miles per hour (19 km/h) |
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