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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 Base Owner
    31018 D5500 P SBB YM MBDL National Railway Museum NRM UK/31 UK70/31
    31106 D5524 Spalding Town, The Blackcountryman** P NRL WO QADD Weardale Railway PRE UK/31 UK70/31
    31108 D5526 P RFA SK MBDL Midland Railway - Butterley PRE UK/31 UK70/31
    31119 D5537 P WDN:1995/09/01 | BRB PR Embsay & Bolton Abbey Steam Railway PRE UK/31 UK70/31
    31130 D5548 Calder Hall Power Station P WDN:1997/08/01 |Suburban Preservation PR Avon Valley Railway PRE UK/31 UK70/31
    31162 D5580 P SBB SK MBDL Midland Railway - Butterley PRE UK/31 UK70/31
    31163 D5581 P WDN:1999/01/01 | PR Chinnor & Princes Risborough Railway UK/31 UK70/31
    31190 D5613 GRYPHON** S At Weardale Railway, Wolsingham (FOR SALE) WO HTLX Weardale Railway BAR UK/31 UK70/31
    31203 D5627 Steve Organ GM P WDN:2000/07/01 | GRN PR Pontypool & Blaenavon Railway PRE UK/31 UK70/31
    31206 D5630 P Northamptonshire Class 31 Group. On hire to Ecclesbourne Valley Railway CIV PR Ecclesbourne Valley Railway PRE UK/31 UK70/31
    31207 D5631 O WDN:2001/02/01 | GRN PR North Norfolk Railway M&GN Society UK/31 UK70/31
    31210 D5634 P WDN:1992/02/01 | RFA PR Dean Forest Railway PRE UK/31 UK70/31
    31233 D5660 P NRL PR QADD Mangapps Railway Museum PRE UK/31 UK70/31
    31235 D5662 P WDN:1995/09/01 | BRB PR Dean Forest Railway PRE UK/31 UK70/31
    31255 D5683 P EWS PR MBDL Mid Norfolk Railway PRE UK/31 UK70/31
    31270 D5800 Athena P WDN:1995/05/01 | RRR BU Nemesis Rail - Burton PRE UK/31 UK70/31
    31271 D5801 Stratford 1840 - 2001** P on loan from Midland Railway - Butterley BRT PR MBDL Llangollen Railway PRE UK/31 UK70/31
    31289 D5821 PHEONIX** P WDN:1992/03/01 |on loan from the Rushden Transport Museum BRB PR Northampton & Lamport Railway PRE UK/31 UK70/31
    31327 D5862 Phillips-Imperial** P WDN:1995/09/01 | GRN PR Strathspey Railway PRE UK/31 UK70/31
    31414 D581431514 P Midland Railway Centre CIV SK MBDL Midland Railway - Butterley PRE UK/31 UK70/31
    31417 D5856 X WDN:1995/07/01 | Disposal:2006/01/01 Ron Hull Jr Rotherham BS UK/31 UK70/31
    31418 31104D5522 Boadicea** P WDN:1995/10/01 | BRB SK Midland Railway - Butterley PRE UK/31 UK70/31
    31430 3153031265D5695 Sister Dora** P BRB PR Spa Valley Railway PRE UK/31 UK70/31
    31435 31179D5600 Newton Heath TMD P Dales Diesel Group GRN PR Embsay & Bolton Abbey Steam Railway PRE UK/31 UK70/31
    31438 3153831139D5557 P BRB PR Epping & Ongar Railway PRE UK/31 UK70/31
    31452 3155231279D5809 MINOTAUR** P Operated by RVE (at Dartmoor Rly) (FOR SALE) DCG PR HTLX Dartmoor Railway BAR UK/31 UK70/31
    31454 3155431228D5654 Immingham**, The Heart of Wessex** P ICS PR HTLX Wensleydale Railway UK/31 UK70/31
    31466 31115D5533 P EWS PR MBDL Dean Forest Railway PRE 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 DCR PR Ecclesbourne Valley Railway PRE UK/31 UK70/31
    5518 D3110131101 P WDN:1993/01/01 |Suburban Preservation BRB PR Avon Valley Railway PRE UK/31 UK70/31
    D5523 31105 Bescot TMD** P NRL PR QADD Mangapps Railway Museum PRE UK/31 UK70/31
    D5830 315633129731463 P GOL PR Great Central Railway - Nottingham PRE UK/31 UK70/31
    Number Altnumber Name Status Note Livery Depot Pool Base Owner
    31018 D5500 P SBB YM MBDL National Railway Museum NRM UK/31 UK70/31
    31106 D5524 Spalding Town, The Blackcountryman** P NRL WO QADD Weardale Railway PRE UK/31 UK70/31
    31108 D5526 P RFA SK MBDL Midland Railway - Butterley PRE UK/31 UK70/31
    31119 D5537 P WDN:1995/09/01 | BRB PR Embsay & Bolton Abbey Steam Railway PRE UK/31 UK70/31
    31130 D5548 Calder Hall Power Station P WDN:1997/08/01 |Suburban Preservation PR Avon Valley Railway PRE UK/31 UK70/31
    31162 D5580 P SBB SK MBDL Midland Railway - Butterley PRE UK/31 UK70/31
    31163 D5581 P WDN:1999/01/01 | PR Chinnor & Princes Risborough Railway UK/31 UK70/31
    31190 D5613 GRYPHON** S At Weardale Railway, Wolsingham (FOR SALE) WO HTLX Weardale Railway BAR UK/31 UK70/31
    31203 D5627 Steve Organ GM P WDN:2000/07/01 | GRN PR Pontypool & Blaenavon Railway PRE UK/31 UK70/31
    31206 D5630 P Northamptonshire Class 31 Group. On hire to Ecclesbourne Valley Railway CIV PR Ecclesbourne Valley Railway PRE UK/31 UK70/31
    31207 D5631 O WDN:2001/02/01 | GRN PR North Norfolk Railway M&GN Society UK/31 UK70/31
    31210 D5634 P WDN:1992/02/01 | RFA PR Dean Forest Railway PRE UK/31 UK70/31
    31233 D5660 P NRL PR QADD Mangapps Railway Museum PRE UK/31 UK70/31
    31235 D5662 P WDN:1995/09/01 | BRB PR Dean Forest Railway PRE UK/31 UK70/31
    31255 D5683 P EWS PR MBDL Mid Norfolk Railway PRE UK/31 UK70/31
    31270 D5800 Athena P WDN:1995/05/01 | RRR BU Nemesis Rail - Burton PRE UK/31 UK70/31
    31271 D5801 Stratford 1840 - 2001** P on loan from Midland Railway - Butterley BRT PR MBDL Llangollen Railway PRE UK/31 UK70/31
    31289 D5821 PHEONIX** P WDN:1992/03/01 |on loan from the Rushden Transport Museum BRB PR Northampton & Lamport Railway PRE UK/31 UK70/31
    31327 D5862 Phillips-Imperial** P WDN:1995/09/01 | GRN PR Strathspey Railway PRE UK/31 UK70/31
    31414 D581431514 P Midland Railway Centre CIV SK MBDL Midland Railway - Butterley PRE UK/31 UK70/31
    31417 D5856 X WDN:1995/07/01 | Disposal:2006/01/01 Ron Hull Jr Rotherham BS UK/31 UK70/31
    31418 31104D5522 Boadicea** P WDN:1995/10/01 | BRB SK Midland Railway - Butterley PRE UK/31 UK70/31
    31430 3153031265D5695 Sister Dora** P BRB PR Spa Valley Railway PRE UK/31 UK70/31
    31435 31179D5600 Newton Heath TMD P Dales Diesel Group GRN PR Embsay & Bolton Abbey Steam Railway PRE UK/31 UK70/31
    31438 3153831139D5557 P BRB PR Epping & Ongar Railway PRE UK/31 UK70/31
    31452 3155231279D5809 MINOTAUR** P Operated by RVE (at Dartmoor Rly) (FOR SALE) DCG PR HTLX Dartmoor Railway BAR UK/31 UK70/31
    31454 3155431228D5654 Immingham**, The Heart of Wessex** P ICS PR HTLX Wensleydale Railway UK/31 UK70/31
    31466 31115D5533 P EWS PR MBDL Dean Forest Railway PRE 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 DCR PR Ecclesbourne Valley Railway PRE UK/31 UK70/31
    5518 D3110131101 P WDN:1993/01/01 |Suburban Preservation BRB PR Avon Valley Railway PRE UK/31 UK70/31
    D5523 31105 Bescot TMD** P NRL PR QADD Mangapps Railway Museum PRE UK/31 UK70/31
    D5830 315633129731463 P GOL PR Great Central Railway - Nottingham PRE UK/31 UK70/31