British Rail Class 43 (Warship Class)

class of 33 B′B′ 2200hp diesel-hydraulic locomotives, all named after warships

The British Rail Class 43 diesel-hydraulic locomotives were built by the North British Locomotive Company (NBL) from 1960 to 1962.

British Rail Class 43
D848 Sultan
Type and origin
Power typeDiesel-hydraulic
BuilderNorth British Locomotive Co.
Serial number27962–27994
Build date1960–1962
Total produced33
Specifications
Configuration:
 • UICB'B'
 • CommonwealthB-B
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter3 ft 3+12 in (1.003 m) new
Minimum curve4.5 chains (91 m)
Wheelbasebogie 10 feet 6 inches (3.20 m)
bogie center distance 37 ft 9 in (11.51 m)
total 48 ft 3 in (14.71 m)
Length60 ft 0 in (18.29 m)
Width8 ft 10 in (2.69 m)
Height12 ft 9+12 in (3.90 m)
Loco weight79.50 long tons (80.78 t; 89.04 short tons)
Fuel capacity800 imp gal (3,600 L; 960 US gal)
Prime moverMAN L12V 18/21, 2 per locomotive
Engine typeV12 four stroke diesel
Cylinders12
Cylinder size180 mm × 210 mm (7.087 in × 8.268 in) (bore x stroke)
TransmissionHydraulic, Voith/NBL LT.306r
MU working White Diamond[1]
Train heatingSteam, 940 imp gal (4,300 L; 1,130 US gal) capacity
Loco brakeVacuum controlled air, hand brake
Train brakesVacuum
Performance figures
Maximum speed80 mph (130 km/h)
Power outputEngines: 1,100 bhp (820 kW) × 2
Tractive effortMaximum: 49,030 lbf (218 kN)[2]
Career
OperatorsBritish Railways
NumbersD833–D865
Nicknames"Warship"
Axle load classRoute availability 7 (RA 6 from 1969)[3]
Retired1969–1971
DispositionAll scrapped
Technical details : B.R.33003/91[4] except where noted

References change

  1. Ian Allan 2008, p. 121.
  2. Haresnape 1983, p. 27.
  3. Strickland 1983, p. 98.
  4. Preliminary Driving Instructions for Operating N.B.L. Type 4. 2,200 H.P. Diesel Hydraulic Locomotives Nos. D833-D865, British Transport Commission, May 1961