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British Rail Class 43 (HST)

British Rail Class 43 (HST)
NameBritish Rail Class 43
PowertypeDiesel-electric
CaptionAn East Midlands Trains Class 43 at Nottingham
Imagesize300px
Roadnumber43002 � 43198
Totalproduction197
BuilderBREL Crewe Works
Builddate1975 � 1982
PrimemoverPaxman Valenta 12RP200L/12RL 200L
Paxman 12VP185 or MTU 16V4000 R41R
AlternatorBrush Traction BA1001B
TractionmotorsGEC G417AZ or Brush Traction TMH68-46, frame mounted, four off
WhytetypeBo-Bo
UicclassBo'Bo'
Gaugesgal=onallk=on
BogiesBP10
Wheeldiameter3 ft 4 in
TrainbrakesAir
Locobrakeforce35 LTf
Length17.79 m (58.4 ft)
Width2.74 m (9 ft)
Locoweight70.25 t (230.5 ft)
TransmissionEngine driven alternator and rectifier supplying DC to traction motors
Topspeed148 mph (485.6 ft)
PoweroutputEngine: 2250 hp (7381.9 lk=in)
At rail: 1320 kW (4330.7 bhp)
TractiveeffortMaximum: 17980 lbf (58989.5 kN)
Continuous: 10340 lbf (33923.9 kN) @64.5 mph (103.8 km/h)
Fuelcap990 impgal (1593.3 sigfig=3)
TrainheatingElectric Train Heat
MultipleworkingWithin class only
AxleloadclassRoute availability 5
RailroadCurrent
First Great Western
East Coast
East Midlands Trains
Grand Central
CrossCountry
Network Rail
Previous
British Rail
Great Western Trains
GNER
Midland Mainline
National Express East Coast
Virgin Trains
Cotswold Rail

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The British Rail Class 43 (HST) is the TOPS classification used for the InterCity 125 High Speed Train power cars, built by BREL from 1975 to 1982.

The class is the fastest diesel unit in the world, with an absolute maximum speed of 148 mi/h (238.2 km/h), and a regular service speed of 125 mi/h (201.2 km/h). There are claims that this diesel rail speed record has been broken twice unofficially: by a Russian train in 1992 achieving 168 mi/h (270.4 km/h), and a Spanish train reporting 159 mi/h (255.9 km/h) in 2002.


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