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.
- 2MT
- 2MT
- 3MT
- 4MT
- 4MT
- 4MT
- 5MT
- 6MT
- 7MT
- 8P
- 9F
- 01
- 01/5
- 02
- 03
- 04
- 05
- 06
- 07
- 08
- 09
- 10
- 11
- 12
- 14
- 15
- 17
- 20
- 23
- 24
- 25
- 26
- 27
- 28
- 31
- 33
- 35
- 37
- 40
- 41
- 42
- 43
- 44
- 45
- 46
- 47
- 50
- 52
- 55
- 56
- 57
- 58
- 60
- DP1
- Misc. Shunters
- AC
- Drewry
- LEV
- Wickham
- WM
- 373
- 71
- 73
- 76
- 77
- 81
- 82
- 83
- 84
- 85
- 86
- 87
- 89
- 90
- 91
- 100
- 101
- 103
- 104
- 105
- 107
- 108
- 109
- 110
- 111
- 114
- 115
- 116
- 117
- 118
- 119
- 120
- 121
- 122
- 126
- 127
- 140
- 141
- 142
- 143
- 144
- 153
- 201
- 202
- 203
- 205
- 207
- 302
- 303
- 306
- 307
- 308
- 309
- 311
- 312
- 315
- 317
- 365
- 370
- 401
- 403
- 404
- 405
- 411
- 412
- 414
- 415
- 416
- 419
- 420
- 421
- 423
- 442
- 457
- 483
- 487
- 488
- 489
- 4TC
- 501
- 502
- 503
- 504
- APT-E
- BEMU
- Derby Lightweight
- 1361
- 1366
- 1400
- 1500
- 1600
- 2251
- 2301
- 2800
- 2884
- 4200
- 4300
- 4500
- 4700
- 5101
- 5205
- 5600
- 5700
- 6100
- 6400
- 7200
- 9400
- A1A-A1A
- Alexandra Docks
- BPGV
- Cardiff Railway
- Castle
- Churchward County
- City
- Earl
- Grange
- Hall
- Hawksworth County
- King
- Manor
- Modified Hall
- Port Talbot Railway
- Powlesland and Mason
- Railcar
- Railmotor
- Saint
- Star
- Taff Vale O1
- Taff Vale O2
- Wantage
- 2MT
- 2MT
- 4F
- 4MT
- 4MT
- 4MT
- 5MT
- 5MT
- 7F
- 8F
- Black 5
- Compound
- Coronation
- CR 123
- CR 439
- CR 812
- Furness 17
- Furness 17 Tank
- Furness 3
- GWSR 322
- HR 4F
- Jinty
- Jubilee
- LNWR 2-2-2
- LNWR 835
- LNWR Coal Tank
- LTS 79
- LYR 21 Pug
- LYR 23
- LYR 25
- LYR 27
- LYR 5
- Mersey I
- Misc. Diesel Shunters
- MR 115
- MR 1377
- MR 156
- MR 3835
- NLR 75
- NSR Battery
- NSR L
- Oerlikon
- Patriot
- Precedent
- Princess Royal
- Royal Scot
- Super D
- 1001
- 901
- A1
- A2
- A3
- A4
- Autocar
- B1
- B12
- B17
- C1
- C2
- D11
- D17
- D34
- D40
- D49
- E4
- E5
- ES1
- J15
- J17
- J21
- J27
- J36
- J52
- J69
- J72
- K1
- K4
- N2
- N7
- O4
- P2
- Q6
- Q7
- Stirling Single
- V2
- X1
- Y1
- Y5
- Y7
- Y9
- 1938 Stock
- 1959 Stock
- 1960 Stock
- 1962 Stock
- 1967 Stock
- 1972 Stock
- 1983 Stock
- 1986 Stock
- A Stock
- Acton Shunter
- Battery
- C69/77
- D78
- O/P Stock
- Q23 Stock
- Q38 Stock
- R Stock
- Sleet Locomotives
- Standard Stock
- T Stock
- A
- E
- 0298
- 0415
- 3SUB
- A1
- B1
- B4
- BB/WC
- C
- D
- E1
- E4
- H
- H2
- LN
- M7
- MN
- N
- N15
- O1
- O2
- P
- Q
- Q1
- S15
- S15
- T3
- T9
- U
- USA
- V
- WC Shunter
- S160
- WD 0-6-0
- WD 2-8-0
- WD 2-10-0
| 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 | 148mph |
| Driving Wheel Dia | 1.016m |
Photo: MRG
| Number | Altnumber | Name | Status | Livery | Depot | Pool | Location | Base | Owner | In Service | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 43002 | 253001 | Sir Kenneth Grange | P | 040 | YK | National Railway Museum | NRM | 31/08/1976 | UK/43 UK70/43 | ||
| 43018 | The Red Cross** | P | FGB | CQ | Crewe Heritage Centre | 31/10/1976 | UK/43 UK70/43 | ||||
| 43044 | Borough of Kettering**,Edward Paxman | P | 040 | PR | ICHP | Nottingham Heritage Railway | 125 | 31/05/1977 | UK/43 UK70/43 | ||
| 43045 | The Grammar School Doncaster | P | SCE | PR | PRES | Railworld Wildlife Haven | 125P | 31/05/1977 | UK/43 UK70/43 | ||
| 43046 | Royal Philharmonic**, Geoff Drury 1930- 1999 Steam Preservation and Computerised Track Recording Pioneer | P | BPM | CL | SBXL | Locomotive Services, Crewe | LSL | 30/04/1977 | UK/43 UK70/43 | ||
| 43047 | Rotherham Enterprise** | BPM | CL | MBDL | Locomotive Services, Crewe | LSL | 31/03/1977 | UK/43 UK70/43 | |||
| 43048 | T.C.B. Miller MBE** | P | SCE | ICHP | Midland Railway - Butterley | 125 | 31/05/1977 | UK/43 UK70/43 | |||
| 43049 | Neville Hill | P | ICS | ZG | SBXL | S | Locomotive Services, Crewe | LSL | 31/05/1977 | UK/43 UK70/43 | |
| 43055 | Sheffield Star 125 Years** | P | BPM | CL | SBXL | Locomotive Services, Crewe | LSL | 30/06/1977 | UK/43 UK70/43 | ||
| 43056 | The Royal British Legion** | P | FGB | PR | Gwili Railway | 28/07/1977 | UK/43 UK70/43 | ||||
| 43058 | Midland Pride** | RC | CL | SBXL | Locomotive Services, Crewe | LSL | 26/08/1977 | UK/43 UK70/43 | |||
| 43059 | BPM | CL | SBXL | Locomotive Services, Crewe | LSL | 26/08/1977 | UK/43 UK70/43 | ||||
| 43060 | County of Leicestershire** | P | SCE | PR | PRES | Railworld Wildlife Haven | 125P | 07/09/1977 | UK/43 UK70/43 | ||
| 43071 | Forward Birmingham** | P | FGB | Colne Valley Railway | 125H | 30/11/1977 | UK/43 UK70/43 | ||||
| 43073 | Neville Hill Depot - 42 Years | P | SCE | Colne Valley Railway | 125H | 04/01/1978 | UK/43 UK70/43 | ||||
| 43081 | Midland Valenta** (26/07/08 only) | P | SCE | CQ | Crewe Heritage Centre | 06/03/1978 | UK/43 UK70/43 | ||||
| 43082 | Railway Children - The Voice For Street Children Worldwide** | P | SCE | Colne Valley Railway | 125H | 06/04/1978 | UK/43 UK70/43 | ||||
| 43083 | P | SCE | ZG | SBXL | Locomotive Services, Crewe | LSL | 03/05/1978 | UK/43 UK70/43 | |||
| 43089 | Hayabusa** | P | SCE | ICHP | Midland Railway - Butterley | 125 | 05/06/1978 | UK/43 UK70/43 | |||
| 43102 | 43302 | Diocese of Newcastle**,World Speed Record - HST**, The Journey Shrinker 148.5 MPH The Worlds Fastest Diesel Train | P | ICS | Locomotion - NRM Shildon | NRM | 27/10/1978 | UK/43 UK70/43 | |||
| 43159 | Rio Warrior** | P | FGB | PR | ICHP | Nottingham Heritage Railway | 125 | 19/04/1981 | UK/43 UK70/43 |
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