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Rail Data > Data > Codes > TOPS List > 31/1
Main Details PDF
TOPS Code/Class: 31/1
Key Photo:
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TOPS Category: ?This is my own (unofficial) means to categorise TOPS codes based on what they relate to and whether they are long (4 characters, i.e. including sub-codes) or short (3 characters) LL - Long Code, Locomotives
TOPS GENKOC: ?The first character of a TOPS code is known as the GENKOC and indicates the general type of rolling stock (e.g. 1xx are DMUs). 0 - Locos
TOPS BRAKTY: ?The third character of many TOPS codes is the BRAKTY, indicating the type of braking equipment fitted (e.g. A indicates air brakes). * - Not defined by code
Parent:31
Description: A1A-A1A Diesel Locomotive
Numbers: ?Numbers are only shown where the ranges were limited. Otherwise, refer to the listings section below. The letter r after the numbers indicates this is a range, with not all numbers in the sequence used.
Status: Current
Date On:
Origins: Reclassified (TOPS)
Date Off:
Destiny:
Sub-codes ?If this code had any sub-codes, they will be listed here.
None found
Designs/Diagrams ?Design codes and diagrams related to this code (and any sub-codes where relevant) are listed here.
9 designs/diagrams currently listed against this TOPS code/class (including any sub-codes).
DesignClassSeriesDescriptionStatus
31-1AV 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1BX 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1CX 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1DV 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1EV 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1FX 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1GX 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1HV 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
31-1JX 31/1 BR TOPS Loco Design Code Class 31/1 A1A-A1A Diesel Loco TBC
Batches ?Batches of numbers built or converted to this TOPS code are listed below. Note that only codes that were wholly to this code will appear, otherwise refer to the listings section for other numbers.
There are 2 batches recorded as being wholly to this TOPS code (including any sub-codes).
Numbers Class Design Type Qty Origin Built/Converted Date/s Lot
31101-31327r 31/1 Class 31/1 A1A-A1A Diesel Loco 225 Renumbered 1974
31970 31/1 Class 31 A1A-A1A Diesel Loco 1 Conversion 1989
Notes
No notes have been left yet. ?There may be some notes posted but which have not yet been approved.
Profiles ?Profiles provide an overview of the histories of various types of train. Profiles that are relevant to this TOPS class/code are listed below. If no profiles are shown, try looking under the parent code (in main details section above)
Listings
There are 434 listings (with 234 distinct numbers) for this TOPS code/class (not including any sub-codes). The most recent 50 are shown below.


Date ?The date of the listing. Newest listings are shown first. Type ?Listings are either plain listings (reported details at a given date) or changes (changes of details on a given date). Hover over a code for the explanation. Status ?The status of this number at (or after) the given date. Hover over a code for the explanation. Prefix ?The prefix carried at the given date. Hover over a prefix for an explanation. Number TOPS Design Pool Livery Allocation Location Notes ?Shows the approval status of each listing. Hover over an icon for an explanation.
01/01/2019 LListing (e.g. in an ABC) AExtant, Registered, Active
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31128 31/1 NRLO BR blue Burton-upon-Trent Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31144 31/1 Newton Heath Industrial Estate Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31289 31/1 Northampton and Lamport Railway Officially listed as stored but actually operational Approved, auto/admin
01/2011 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31301 31/1 C F Booth, Rotherham Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31102 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Crewe Station Horse Landing Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31105 31/1 31-1GX WNZX Transrail grey Unallocated (EWS) Barrow Hill Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31106 31/1 31-1GX SDXL Civil Engineer grey/yellow Tyseley, Birmingham Railway Museum Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31107 31/1 31-1FX SDXL Civil Engineer grey/yellow Tyseley, Birmingham Railway Museum Barrow Hill Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
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31110 31/1 31-1FX WMAN green Old Oak Common Depot (London) Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31113 31/1 31-1FX WNXX Civil Engineer grey/yellow Unallocated (EWS) Old Oak Common Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31119 31/1 31-1FX WNYX Civil Engineer grey/yellow Unallocated (EWS) Carlisle Upperby Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31125 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31128 31/1 31-1FX SDXL Railfreight grey Tyseley, Birmingham Railway Museum Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31144 31/1 31-1FX WNYX Civil Engineer grey/yellow Unallocated (EWS) Carlisle Upperby Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31147 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31154 31/1 31-1FX WNYX Civil Engineer grey/yellow Unallocated (EWS) Old Oak Common Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31155 31/1 31-1FX WNZX Trainload Construction Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31158 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31163 31/1 31-1FX MBDL Civil Engineer grey/yellow Unallocated Butterley, Midland Railway Centre Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31166 31/1 31-1FX MBDL Civil Engineer grey/yellow Unallocated Butterley, Midland Railway Centre Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31168 31/1 31-1CX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31174 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31178 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31188 31/1 31-1FX MBDL Civil Engineer grey/yellow Unallocated Butterley, Midland Railway Centre Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31200 31/1 31-1FX WNZX Trainload Coal Unallocated (EWS) Crewe Coal Sidings Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31203 31/1 31-1FX WMAN Civil Engineer grey/yellow Old Oak Common Depot (London) Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31207 31/1 31-1FX WMAN Civil Engineer grey/yellow Old Oak Common Depot (London) Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31224 31/1 31-1FX WNYX Civil Engineer grey/yellow Unallocated (EWS) Carlisle Upperby Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31229 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31232 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31233 31/1 31-1FX WNYX Civil Engineer grey/yellow Unallocated (EWS) Old Oak Common Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31237 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) AExtant, Registered, Active
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31255 31/1 31-1FX MBDL EWS red/yellow variant Unallocated Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31263 31/1 31-1FX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31270 31/1 31-1FX WNZX Trainload Coal Unallocated (EWS) Carlisle Upperby Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31275 31/1 31-1FX WNZX Trainload Coal Unallocated (EWS) Carnforth Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31282 31/1 31-1FX WNZX Railfreight grey Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31285 31/1 31-1FX WNYX Civil Engineer grey/yellow Unallocated (EWS) Carlisle Upperby Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31286 31/1 31-1CX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31289 31/1 31-1FX WNZX BR blue Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31296 31/1 31-1FX WHZX Trainload Construction Unallocated (EWS) Crewe Brook Sidings Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31301 31/1 31-1FX SDXL Railfreight grey with red stripe Tyseley, Birmingham Railway Museum Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31306 31/1 31-1FX WNXX Civil Engineer grey/yellow Unallocated (EWS) Old Oak Common Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31308 31/1 31-1FX WNXX Civil Engineer grey/yellow Unallocated (EWS) Old Oak Common Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31319 31/1 31-1FX WNZX Trainload Coal Unallocated (EWS) Crewe South Yard Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31327 31/1 31-1FX WNYX Railfreight grey with red stripe Unallocated (EWS) Carlisle Upperby Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31512 31/1 31-1JX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31514 31/1 31-1JX WNXX Civil Engineer grey/yellow Unallocated (EWS) Tyne Yard Approved, auto/admin
05/2000 LListing (e.g. in an ABC) WExtant, Un-registered, Withdrawn
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31516 31/1 31-1JX WNZX Civil Engineer grey/yellow Unallocated (EWS) Bescot Depot Approved, auto/admin
05/2000 LListing (e.g. in an ABC) SExtant, Registered, Stored
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31519 31/1 31-1JX WNZX Civil Engineer grey/yellow Unallocated (EWS) Springs Branch Depot (Wigan) Approved, auto/admin
Photos - Internal
There are 4 photos of this type (including any sub-codes).


Photos - External
No external photos of this item yet.
Related Information
To be added
Dimensions ?Dimensions are normally recorded against design/diagram numbers. They can be recorded against batches, lots or TOPS codes if the design/diagram is not available.
There are no dimensions recorded for this TOPS code.
Drawings ?Drawings are normally referenced to specific design/diagram numbers. They can be recorded against batches, lots or TOPS codes if the design/diagram is not available. If no drawings are listed here, try looking at related designs/diagrams (above).
There are no drawings referenced for this TOPS code.
Data History
Record added 01/01/2020 by Thomas Young
This item has not been edited.