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| Class 47 Technical Data |
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Original series Nos: |
D1100-1111, D1500-1999 |
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Class series Nos: |
47/0, 47/3, 47/4, 47/6. 47/7, 47/9 |
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Builders: |
Brush Electrical Machines Ltd/British Rail Crewe |
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Built: |
1962 - 1968 |
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Engine: |
Sulzer 12LDA28-C 12-cyl |
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Engine BHP: |
2750hp (2050 kW) @ 800rpm - Manufacturers Rating 2580hp (1920kW) @ 750rpm - Derating 2400hp (1790kW) @ 750rpm - Freightliner/EWS Derating |
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| Maximum tractive effort: | 55,000lb/f
(245kN) - 47401-420
60,000lb/f (267kN) - other 47s |
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| Continuous tractive effort: |
30,000lb/f (133kN) @ 26mph |
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| Main Generator |
Brush TG160-60 or TG172-50 |
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Auxiliary generator : |
Brush TG69-20 ot TG69.28 |
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| ETH Alternator | Brush BL100-30 (47/4, 47/7, 47/8) | |||
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Traction motors : |
six Brush TM64-68 Mk 1 and Mk 1A |
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Weight: |
112-125 tonnes |
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Route availability: |
47/0. 47/3, 47/9 - 6. 47/4, 47/7 - 7 |
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Brake force: |
60ton, Vacuum/Air |
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Overall length: |
63ft 7 in. |
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| Driving wheel diameter: |
3ft 9in |
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| Train Heating | 47/0
originally steam heat:
47/3 not fitted 47/4. 47/6, 47/7 electric (or dual) (ETH Index 66 or 75 on some Scottish locos) |