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    Photo: Chris Harley

    UKP: BR Diesel 31

    Diesel Loco

    Class Data
    Gauge 1435mm
    Builder Brush Traction
    Max Speed 80/90mph
    Introduced 1957-62
    Length 17300mm
    Width 2670mm
    Height 3840mm
    Weight 108.4-115t
    Engine English Electric 12SVT
    Transmission Diesel Electric
    Power 1100kW
    Driving Wheel Dia 1092mm
    Wheelbase 13060mm
    Wheel Arrangement A1A-A1A
    Number Altnumber Name Status Note Livery Depot Pool Location Base Owner In Service Withdrawn Scrapped
    31018 D5500 P Converted from class 30: 15/03/1969. SBB YM MBDL National Railway Museum NRM 10/10/1957 10/07/1976 UK/31 UK70/31
    31106 D5524 Spalding Town, The Blackcountryman** P Converted from class 30: 06/1967. NRL BQ QADD East Lancashire Railway HAH 26/03/1959 01/11/1995 UK/31 UK70/31
    31108 D5526 P Converted from class 30: 25/05/1968. RFA SK MBDL Midland Railway - Butterley PRE 16/04/1959 27/09/1991 UK/31 UK70/31
    31119 D5537 P Converted from class 30: 07/1967. BRB PR Embsay & Bolton Abbey Steam Railway PRE 25/06/1959 01/09/1995 UK/31 UK70/31
    31130 D5548 Calder Hall Power Station P Converted from class 30: 02/1967. PR Avon Valley Railway PRE 03/09/1959 01/08/1997 UK/31 UK70/31
    31162 D5580 P Converted from class 30: 11/1967. SBB SK MBDL Midland Railway - Butterley PRE 14/01/1960 01/05/1992 UK/31 UK70/31
    31163 D5581 P Converted from class 30: 01/1966. PR Chinnor & Princes Risborough Railway 14/01/1960 19/01/1999 UK/31 UK70/31
    31190 D5613 GRYPHON** P Converted from class 30: 01/1966. Plym Valley Railway 05/05/1960 UK/31 UK70/31
    31203 D5627 Steve Organ GM P Converted from class 30: 07/1966. GRN PR Pontypool & Blaenavon Railway PRE 23/06/1960 01/07/2000 UK/31 UK70/31
    31206 D5630 P On hire to Ecclesbourne Valley Railway. Converted from class 30: 01/1966. CIV PR Ecclesbourne Valley Railway N31 07/07/1960 30/11/2006 UK/31 UK70/31
    31207 D5631 O Converted from class 30: 10/1966. GRN PR North Norfolk Railway MGN 07/07/1960 02/2001 UK/31 UK70/31
    31210 D5634 P Converted from class 30: 04/1968. RFA PR Dean Forest Railway PRE 21/07/1960 01/02/1992 UK/31 UK70/31
    31233 D5660 P Converted from class 30: 02/1967. NRL PR QADD Mangapps Railway Museum PRE 20/10/1960 UK/31 UK70/31
    31235 D5662 P Converted from class 30: 30/11/1966. BRB PR Dean Forest Railway PRE 27/10/1960 26/05/2000 UK/31 UK70/31
    31255 D5683 P Converted from class 30: 12/03/1966. EWS PR MBDL Mid Norfolk Railway PRE 19/01/1961 UK/31 UK70/31
    31270 D5800 Athena P Converted from class 30: 07/1966. RRR BU Nemesis Rail, Burton-on-Trent PRE 01/06/1961 26/05/2000 UK/31 UK70/31
    31271 D5801 Stratford 1840 - 2001** P On loan from Midland Railway. Converted from class 30: 03/1967. BRT PR MBDL Llangollen Railway PRE 08/06/1961 01/05/1997 UK/31 UK70/31
    31289 D5821 PHEONIX** P On loan from the Rushden Transport Museum. Converted from class 30: 08/1967. BRB PR Northampton & Lamport Railway PRE 02/11/1961 01/03/1992 UK/31 UK70/31
    31327 D5862 Phillips-Imperial** P Converted from class 30: 03/1966. GRN PR Strathspey Railway PRE 25/10/1962 01/09/1995 UK/31 UK70/31
    31417 D5856 X Converted from class 30: 01/1966. BS Ron Hull Jr., Rotherham 30/08/1962 30/11/2005 01/2006 UK/31 UK70/31
    31418 D5522 Boadicea** P Converted from class 30: 18/11/1967. BRB SK Midland Railway - Butterley PRE 12/03/1959 06/10/1995 UK/31 UK70/31
    31430 3153031265D5695 Sister Dora** P Converted from class 30: 23/11/1968. BRB PR Spa Valley Railway PRE 20/04/1961 UK/31 UK70/31
    31435 31179D5600 Newton Heath TMD P Dales Diesel Group. Converted from class 30: 03/1967. GRN PR Embsay & Bolton Abbey Steam Railway PRE 24/03/1960 01/11/1995 UK/31 UK70/31
    31438 3153831139D5557 P Converted from class 30: 03/1965. BRB PR Epping & Ongar Railway PRE 15/10/1959 01/09/1995 UK/31 UK70/31
    31452 3155231279D5809 MINOTAUR** P Converted from class 30: 07/1967. DCG YA HTLX Eastern Rail Services, Yarmouth Vauxhall Sidings BAR 27/07/1961 UK/31 UK70/31
    31454 3155431228D5654 Immingham**, The Heart of Wessex** P Converted from class 30: 18/11/1967. ICS PR HTLX Nemesis Rail, Burton-on-Trent 29/09/1960 UK/31 UK70/31
    31466 31115D5533 P On loan from Dean Forest Railway. Converted from class 30: 04/1968. EWS PR MBDL Severn Valley Railway PRE 04/06/1959 01/02/2001 UK/31 UK70/31
    31601 31186D5609 Bletchley Park 'Station X'**, The Mayor of Casterbridge**, Gauge "0" Guild 1956-2006**, Devon Diesel Society P Northamptonshire Class 31 Group. Converted from class 30: 05/1966. DCR PR Ecclesbourne Valley Railway PRE 21/04/1960 23/03/1999 UK/31 UK70/31
    5518 D3110131101 P Converted from class 30: 08/1967. BRB PR Avon Valley Railway PRE 16/10/1958 11/01/1993 UK/31 UK70/31
    D5523 31105 Bescot TMD** P Converted from class 30: 02/1967. NRL PR QADD Mangapps Railway Museum PRE 19/03/1959 01/05/1997 UK/31 UK70/31
    D5814 3141431514 P Midland Railway Centre. Converted from class 30: 06/1967. CIV SK MBDL Midland Railway - Butterley PRE 14/09/1961 01/02/1999 UK/31 UK70/31
    D5830 315633129731463 P Converted from class 30: 10/1967. GOL PR Nottingham Heritage Railway PRE 11/01/1962 01/02/1998 UK/31 UK70/31
    Number Altnumber Name Status Note Livery Depot Pool Location Base Owner In Service Withdrawn Scrapped
    31018 D5500 P Converted from class 30: 15/03/1969. SBB YM MBDL National Railway Museum NRM 10/10/1957 10/07/1976 UK/31 UK70/31
    31106 D5524 Spalding Town, The Blackcountryman** P Converted from class 30: 06/1967. NRL BQ QADD East Lancashire Railway HAH 26/03/1959 01/11/1995 UK/31 UK70/31
    31108 D5526 P Converted from class 30: 25/05/1968. RFA SK MBDL Midland Railway - Butterley PRE 16/04/1959 27/09/1991 UK/31 UK70/31
    31119 D5537 P Converted from class 30: 07/1967. BRB PR Embsay & Bolton Abbey Steam Railway PRE 25/06/1959 01/09/1995 UK/31 UK70/31
    31130 D5548 Calder Hall Power Station P Converted from class 30: 02/1967. PR Avon Valley Railway PRE 03/09/1959 01/08/1997 UK/31 UK70/31
    31162 D5580 P Converted from class 30: 11/1967. SBB SK MBDL Midland Railway - Butterley PRE 14/01/1960 01/05/1992 UK/31 UK70/31
    31163 D5581 P Converted from class 30: 01/1966. PR Chinnor & Princes Risborough Railway 14/01/1960 19/01/1999 UK/31 UK70/31
    31190 D5613 GRYPHON** P Converted from class 30: 01/1966. Plym Valley Railway 05/05/1960 UK/31 UK70/31
    31203 D5627 Steve Organ GM P Converted from class 30: 07/1966. GRN PR Pontypool & Blaenavon Railway PRE 23/06/1960 01/07/2000 UK/31 UK70/31
    31206 D5630 P On hire to Ecclesbourne Valley Railway. Converted from class 30: 01/1966. CIV PR Ecclesbourne Valley Railway N31 07/07/1960 30/11/2006 UK/31 UK70/31
    31207 D5631 O Converted from class 30: 10/1966. GRN PR North Norfolk Railway MGN 07/07/1960 02/2001 UK/31 UK70/31
    31210 D5634 P Converted from class 30: 04/1968. RFA PR Dean Forest Railway PRE 21/07/1960 01/02/1992 UK/31 UK70/31
    31233 D5660 P Converted from class 30: 02/1967. NRL PR QADD Mangapps Railway Museum PRE 20/10/1960 UK/31 UK70/31
    31235 D5662 P Converted from class 30: 30/11/1966. BRB PR Dean Forest Railway PRE 27/10/1960 26/05/2000 UK/31 UK70/31
    31255 D5683 P Converted from class 30: 12/03/1966. EWS PR MBDL Mid Norfolk Railway PRE 19/01/1961 UK/31 UK70/31
    31270 D5800 Athena P Converted from class 30: 07/1966. RRR BU Nemesis Rail, Burton-on-Trent PRE 01/06/1961 26/05/2000 UK/31 UK70/31
    31271 D5801 Stratford 1840 - 2001** P On loan from Midland Railway. Converted from class 30: 03/1967. BRT PR MBDL Llangollen Railway PRE 08/06/1961 01/05/1997 UK/31 UK70/31
    31289 D5821 PHEONIX** P On loan from the Rushden Transport Museum. Converted from class 30: 08/1967. BRB PR Northampton & Lamport Railway PRE 02/11/1961 01/03/1992 UK/31 UK70/31
    31327 D5862 Phillips-Imperial** P Converted from class 30: 03/1966. GRN PR Strathspey Railway PRE 25/10/1962 01/09/1995 UK/31 UK70/31
    31417 D5856 X Converted from class 30: 01/1966. BS Ron Hull Jr., Rotherham 30/08/1962 30/11/2005 01/2006 UK/31 UK70/31
    31418 D5522 Boadicea** P Converted from class 30: 18/11/1967. BRB SK Midland Railway - Butterley PRE 12/03/1959 06/10/1995 UK/31 UK70/31
    31430 3153031265D5695 Sister Dora** P Converted from class 30: 23/11/1968. BRB PR Spa Valley Railway PRE 20/04/1961 UK/31 UK70/31
    31435 31179D5600 Newton Heath TMD P Dales Diesel Group. Converted from class 30: 03/1967. GRN PR Embsay & Bolton Abbey Steam Railway PRE 24/03/1960 01/11/1995 UK/31 UK70/31
    31438 3153831139D5557 P Converted from class 30: 03/1965. BRB PR Epping & Ongar Railway PRE 15/10/1959 01/09/1995 UK/31 UK70/31
    31452 3155231279D5809 MINOTAUR** P Converted from class 30: 07/1967. DCG YA HTLX Eastern Rail Services, Yarmouth Vauxhall Sidings BAR 27/07/1961 UK/31 UK70/31
    31454 3155431228D5654 Immingham**, The Heart of Wessex** P Converted from class 30: 18/11/1967. ICS PR HTLX Nemesis Rail, Burton-on-Trent 29/09/1960 UK/31 UK70/31
    31466 31115D5533 P On loan from Dean Forest Railway. Converted from class 30: 04/1968. EWS PR MBDL Severn Valley Railway PRE 04/06/1959 01/02/2001 UK/31 UK70/31
    31601 31186D5609 Bletchley Park 'Station X'**, The Mayor of Casterbridge**, Gauge "0" Guild 1956-2006**, Devon Diesel Society P Northamptonshire Class 31 Group. Converted from class 30: 05/1966. DCR PR Ecclesbourne Valley Railway PRE 21/04/1960 23/03/1999 UK/31 UK70/31
    5518 D3110131101 P Converted from class 30: 08/1967. BRB PR Avon Valley Railway PRE 16/10/1958 11/01/1993 UK/31 UK70/31
    D5523 31105 Bescot TMD** P Converted from class 30: 02/1967. NRL PR QADD Mangapps Railway Museum PRE 19/03/1959 01/05/1997 UK/31 UK70/31
    D5814 3141431514 P Midland Railway Centre. Converted from class 30: 06/1967. CIV SK MBDL Midland Railway - Butterley PRE 14/09/1961 01/02/1999 UK/31 UK70/31
    D5830 315633129731463 P Converted from class 30: 10/1967. GOL PR Nottingham Heritage Railway PRE 11/01/1962 01/02/1998 UK/31 UK70/31