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Class 47 Technical Data
 
  • Builders: Brush Electrical Machines Ltd/British Rail Crewe
  • Built: 1962 - 1968
  • Original series Nos: D1100-1111, D1500-1999
  • Class series Nos: 47/0, 47/3, 47/4, 47/6. 47/7, 47/9
  • Engine: Sulzer 12LDA28-C 12-cyl
  • Main Generator: Brush TG160-60 or TG172-50
  • ETH Alternator: Brush BL100-30 (47/4, 47/7, 47/8)
  • Weight: 112-125 tonnes
  • Brake force: 60ton, Vacuum/Air
  • Traction motors: Six Brush TM64-68 Mk 1 and Mk 1A
  • Overall length: 63ft 7 in.
  • Driving wheel diameter: 3ft 9in
  • Route availability: 47/0. 47/3, 47/9 - 6. 47/4, 47/7 - 7

 
  • Engine BHP:

  • 2750hp (2050 kW) @ 800rpm - Manufacturers Rating

  • 2580hp (1920kW) @ 750rpm - Derating

  • 2400hp (1790kW) @ 750rpm - Freightliner/EWS Derating

  • Maximum tractive effort:

  • 55,000lb/f (245kN) - 47401-420 
  • 60,000lb/f (267kN) - other 47s
  • Continuous tractive effort: 30,000lb/f (133kN) @ 26mph
  • Auxiliary generator: Brush TG69-20 ot TG69.28
  • Train Heating:
  • 47/0 originally steam heat
  • Spanner Swirlyflow Mk3 of 1850lb per hour
  • Stone Vapor 4625 of 2750lb per hour
  • Clayton Mk2 of 2500lb per hour
  • 47/3 not fitted
  • 47/4. 47/6, 47/7
  • Electric (or dual) (ETH Index 66 or 75 on some Scottish locos)

1.Diesel engine.

11.Radiator header tank.

21.Traction motor blowers

31.Fire extinguishers.

2.Main generator.

12.Combined pump set.

22.Exhausters.

32.Air filter panels.

3.Auxiliary generator.

13.Radiator fans.

23.Air compressor.

33.Hydrostatic oil tank.

4.Traction motors.

14.Radiator panels.

24.Main air reservoir.

34.Measuring and drain tanks

5.Pressure charger.

15.Main coolant tank.

25.Control air reservoir.

35.Boiler water filling duct.

6.Engine instrument panel

16.Battery boxes.

26.Auxiliary air reservoirs.

36.Handbrake wheels.

7.Engine air filter.

17.Battery isolating switch.

27.Brake gear cubicle.

37.Driver's positions.

8.Silencer.

18.Main control cubicle.

28.Steam generator.

38.Second man's positions.

9.No. 1 Fuel tank.

19.Rotary switch and fuse unit 

29.Boiler water tanks.

39.Cooker.

10.No. 2 fuel tank.

20.Resistance frame.

30.W.C.

 
 

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