• 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)