The British Rail Class 43 (HST) is the TOPS classification used for the InterCity 125 High Speed Train (formerly classes 253 and 254) power cars, built by British Rail Engineering Limited from 1975 to 1982, and in service in the UK since 1976. The class is officially the fastest diesel locomotive in the world, with an absolute maximum speed of 148.5 mph (239.0 km/h), and a regular service speed of 125 mph (201 km/h). The record run was led by 43102 (43302) and trailed by 43159.
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- DP1
- Misc. Shunters
- AC
- Drewry
- LEV
- Wickham
- WM
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- 483
- 485
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- 488
- 489
- 4TC
- 501
- 502
- 503
- 504
- 505
- 507
- 508
- APT-E
- BEMU
- Derby Lightweight
- Metro-Cammell Lightweight
- 2MT
- 2MT (Tank)
- 3MT
- 4MT (2-6-0)
- 4MT (4-6-0)
- 4MT (Tank)
- 5MT
- 6MT
- 7MT
- 8P
- 9F
- 1000 County (Hawksworth)
- 1361
- 1366
- 1400
- 1500
- 1600
- 2251 Collett Goods
- 2301 Dean Goods
- 2800
- 2884
- 2900 Saint
- 3200 Earl
- 3700 City
- 3800 County (Churchward)
- 4000 Star
- 4073 Castle
- 4200
- 4300
- 4500 Small Prairie
- 4700 Night Owl
- 4900 Hall
- 5101 Large Prairie
- 5205
- 5600
- 5700
- 6000 King
- 6100
- 6400
- 6800 Grange
- 6959 Modified Hall
- 7200
- 7800 Manor
- 9400
- A1A-A1A Gas Turbine
- Alexandra Docks
- Burry Port and Gwendraeth Valley
- Cardiff Railway
- Diesel Railcar
- Port Talbot
- Powlesland and Mason
- Steam Railmotor
- Taff Vale
- Wantage
- 2MT (Tank)
- 2MT (2-6-0)
- 3F Jinty
- 4F
- 4MT (Fairburn)
- 4MT (Ivatt)
- 4MT (Stanier)
- 5MT (Crab)
- 5MT (Stanier)
- 6P Jubilee
- 7F
- 8F
- 8P Coronation
- Black 5 (5MT)
- CR 123
- CR 439
- CR 812
- D16/1
- Furness 17
- Furness 3
- GWSR 322
- HR 4F
- LNWR 2-2-2
- LNWR 835
- LNWR Coal Tank
- LNWR G2 Super D
- LNWR Oerlikon EMU
- LNWR Precedent
- LTS 79
- LYR 21 Pug
- LYR 23
- LYR 25
- LYR 27
- LYR 5
- Mersey I
- Misc. Diesel Shunters
- MR 1000 Compound
- MR 115
- MR 1377
- MR 156
- MR 3835
- NLR 75
- NSR Battery
- NSR L
- Patriot
- Princess Royal
- Royal Scot
- A1
- A2
- A3
- A4
- B1
- B12 (GER S69)
- B17
- C1
- C2
- D11 (GCR 11F)
- D17 (NER M1)
- D34 (NBR K)
- D40 (GNSR F)
- D49
- E4 (GER T26)
- E5 (NER 1463)
- E6 (NER 901)
- ES1
- GNR G Stirling Single
- J15 (GER Y14)
- J17 (GER G58)
- J21 (NER C1)
- J27 (NER P3)
- J36 (NBR C)
- J52 (GNR J13)
- J69 (GER S56)
- J72 (NER E1)
- K1
- K4
- N2
- N7 (GER L77)
- NER 1001
- NER Autocar
- O4 (GCR 8K)
- P2
- Q6 (NER T2)
- Q7 (NER T3)
- V2
- X1
- Y1
- Y5 (GER 209)
- Y7 (NER H)
- Y9 (NBR G)
- 0298 Beattie Well Tank
- 0415 Radial Tank
- 3SUB
- 4DD
- A1 Terrier
- B1
- B4
- BB/WC
- C
- D
- E1
- E4
- H
- H2
- LN
- M7
- MN
- N
- N15
- O1
- O2
- P
- Q
- Q1
- S15 (Urie)
- S15 (Maunsell)
- T3
- T9
- U
- USA
- V
- WC Shunter
- S160
- WD 0-6-0
- WD 2-8-0
- WD 2-10-0
- 1938 Stock
- 1959 Stock
- 1960 Stock
- 1962 Stock
- 1967 Stock
- 1972 Stock
- 1973 Stock
- 1983 Stock
- 1986 Stock
- A Stock
- C Stock
- City and South London Railway
- D Stock
- ESL Sleet Locomotives
- L11 Acton Shunter
- L35 Battery
- O/P Stock
- Q23 Stock
- Q38 Stock
- R Stock
- Standard Stock
- T Stock
- 1904 EMU
- A
- E
- Metropolitan-Vickers
- Hurst-Nelson Driving Motor
- Metro-Cammell Power Car
- Oldbury Driving Motor
- Trailer
Length | 17.79m |
Width | 2.74m |
Height | 3.91m |
Introduced | 1975 |
Wheel Arrangement | Bo-Bo |
Builder | BREL Crewe |
Weight | 70.25t |
TE | 17980lbf |
Max Speed | 125mph |
Driving Wheel Dia | 1.016m |
Power | 1678kW |
Transmission | Diesel-Electric |

Photo: MRG
Number | Alt number | Name | Status | Pool | Depot | Note |
---|---|---|---|---|---|---|
43002 | 253001 | Sir Kenneth Grange | D | YK | ||
43018 | The Red Cross** | D | CQ | |||
43023 | SQN LDR HAROLD STARR ONE OF THE FEW** | P | ~ | PR | ||
43024 | Great Western Society 1961-2011 Didcot Railway Centre** | P | SCEL | EP | ||
43025 | IRO The Institution of Railway Operators 2000-2010 TEN YEARS OF PROMOTING OPERATIONAL EXCELLENCE**, Exeter | P | ~ | SK | ||
43044 | Borough of Kettering**,Edward Paxman | P | ICHP | RI | ||
43045 | The Grammar School Doncaster | P | PRES | PR | ||
43046 | Royal Philharmonic**, Geoff Drury 1930- 1999 Steam Preservation and Computerised Track Recording Pioneer | P | LSLO | CL | ||
43047 | Rotherham Enterprise** | P | LSLO | CL | ||
43048 | T.C.B. Miller MBE** | P | ICHP | RI | ||
43049 | Neville Hill | P | LSLO | CL | ||
43050 | Loch Morar | S | LSLO | ZG | ||
43054 | S | LSLS | CL | |||
43055 | Sheffield Star 125 Years** | P | LSLO | CL | ||
43056 | The Royal British Legion** | D | SBXL | PR | ||
43058 | Loch Eil, Midland Pride** | P | LSLO | CL | ||
43059 | Lock Shiel | P | LSLO | CL | ||
43060 | County of Leicestershire** | P | PRES | PR | ||
43063 | Rio Challenger** | P | For Static Display (No engine) | |||
43071 | Forward Birmingham** | P | ||||
43073 | Neville Hill Depot - 42 Years | P | ||||
43081 | Midland Valenta** (26/07/08 only) | D | CQ | |||
43082 | Railway Children - The Voice For Street Children Worldwide** | P | ||||
43083 | P | LSLS | ZG | |||
43089 | Hayabusa** | P | ICHP | |||
43091 | S | SBXL | ~ | |||
43102 | 43302 | Diocese of Newcastle**,World Speed Record - HST**, The Journey Shrinker 148.5 MPH The Worlds Fastest Diesel Train | D | |||
43159 | Rio Warrior** | P | ICHP | RI | ||
43165 | Prince Michael of Kent** | P | SCEL | PR |
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